diff --git a/package.json b/package.json
index a129fba..e9c0b6a 100644
--- a/package.json
+++ b/package.json
@@ -25,9 +25,8 @@
   ],
   "dependencies": {
     "@fortawesome/fontawesome-svg-core": "^6.3.0",
-    "@fortawesome/free-regular-svg-icons": "^6.3.0",
-    "@fortawesome/free-solid-svg-icons": "^6.3.0",
     "@fortawesome/react-fontawesome": "^0.2.0",
+    "@heroicons/react": "^2.0.18",
     "@types/markdown-to-jsx": "^6.11.2",
     "@types/mdx": "^2.0.3",
     "@types/node": "^16.7.13",
diff --git a/src/actions/Button.scss b/src/actions/Button.scss
index 485cf89..9f009cb 100644
--- a/src/actions/Button.scss
+++ b/src/actions/Button.scss
@@ -3,7 +3,7 @@
   --button-font-family: var(--seeds-font-alt-sans);
   --button-font-weight: bold;
   --button-interior-gap: var(--seeds-s3);
-  --button-icon-size-percentage: 75%;
+  --button-icon-scale-factor: 0.85;
   --button-icon-side-padding: var(--seeds-s4);
 
   --button-padding-sm: calc(var(--seeds-s3_5) - var(--button-border-width))
@@ -212,7 +212,11 @@
   }
 
   & > .seeds-icon {
-    font-size: var(--button-icon-size-percentage);
+    --icon-scale-factor: var(--button-icon-scale-factor);
+  }
+
+  &[data-size="sm"] > .seeds-icon {
+    --icon-scale-factor: calc(var(--button-icon-scale-factor) * 1.15);
   }
 
   &:focus-visible {
diff --git a/src/actions/Button.tsx b/src/actions/Button.tsx
index 220372b..d2f0e2b 100644
--- a/src/actions/Button.tsx
+++ b/src/actions/Button.tsx
@@ -6,8 +6,7 @@ import {
   shouldShowExternalLinkIcon,
 } from "../global/NavigationContext"
 import Icon from "../icons/Icon"
-
-import { faArrowUpRightFromSquare } from "@fortawesome/free-solid-svg-icons"
+import { ArrowTopRightOnSquareIcon } from "@heroicons/react/24/solid"
 
 import "./Button.scss"
 
@@ -70,7 +69,9 @@ const setupButtonProps = (props: ButtonProps) => {
   const classNames = ["seeds-button"]
 
   const tailIcon = shouldShowExternalLinkIcon(props) ? (
-    <Icon icon={faArrowUpRightFromSquare} />
+    <Icon>
+      <ArrowTopRightOnSquareIcon />
+    </Icon>
   ) : (
     props.tailIcon
   )
diff --git a/src/actions/Link.scss b/src/actions/Link.scss
index 7f8737c..aca790f 100644
--- a/src/actions/Link.scss
+++ b/src/actions/Link.scss
@@ -4,7 +4,7 @@
 
 .seeds-link {
   --link-interior-gap: var(--seeds-s1);
-  --link-icon-size-percentage: 75%;
+  --link-icon-scale-factor: 0.85;
 
   display: inline-flex;
   gap: var(--link-interior-gap);
@@ -14,6 +14,6 @@
   }
 
   & > .seeds-icon {
-    font-size: var(--link-icon-size-percentage);
+    --icon-scale-factor: var(--link-icon-scale-factor);
   }
 }
diff --git a/src/actions/Link.tsx b/src/actions/Link.tsx
index f4c4c45..4da35ed 100644
--- a/src/actions/Link.tsx
+++ b/src/actions/Link.tsx
@@ -5,9 +5,8 @@ import {
   isExternalLink,
   shouldShowExternalLinkIcon,
 } from "../global/NavigationContext"
-
 import Icon from "../icons/Icon"
-import { faArrowUpRightFromSquare } from "@fortawesome/free-solid-svg-icons"
+import { ArrowTopRightOnSquareIcon } from "@heroicons/react/24/solid"
 
 import "./Link.scss"
 
@@ -38,7 +37,7 @@ const Link = (props: LinkProps) => {
   const classNames = ["seeds-link"]
 
   const tailIcon = shouldShowExternalLinkIcon(props) ? (
-    <Icon icon={faArrowUpRightFromSquare} />
+    <Icon><ArrowTopRightOnSquareIcon /></Icon>
   ) : (
     props.tailIcon
   )
diff --git a/src/actions/__stories__/Button.docs.mdx b/src/actions/__stories__/Button.docs.mdx
index 8e51cd0..3222f26 100644
--- a/src/actions/__stories__/Button.docs.mdx
+++ b/src/actions/__stories__/Button.docs.mdx
@@ -9,20 +9,20 @@ import Button from "../Button"
 
 ## Theme Variables
 
-| Name                            | Description                               | Default                 |
-| ------------------------------- | ----------------------------------------- | ----------------------- |
-| `--button-border-width`         | Border width                              | `--seeds-border-2`      |
-| `--button-font-family`          | Font family                               | `--seeds-font-alt-sans` |
-| `--button-font-weight`          | Font weight                               | `none`                  |
-| `--button-interior-gap`         | Space between icons/text                  | `--seeds-s3`            |
-| `--button-icon-size-percentage` | Relative size to base font                | `75%`                   |
-| `--button-icon-side-padding`    | Space between an icon and the button edge | `--seeds-s4`            |
-| `--button-padding-sm`           | Small button padding                      |                         |
-| `--button-font-size-sm`         | Small button font size                    | `--seeds-font-size-sm`  |
-| `--button-border-radius-sm`     | Small button border radius                | `--seeds-rounded`       |
-| `--button-padding-md`           | Medium button padding                     |                         |
-| `--button-font-size-md`         | Medium button font size                   | `--seeds-font-size-md`  |
-| `--button-border-radius-md`     | Medium button border radius               | `--seeds-rounded`       |
-| `--button-padding-lg`           | Large button padding                      |                         |
-| `--button-font-size-lg`         | Large button font size                    | `--seeds-font-size-lg`  |
-| `--button-border-radius-lg`     | Large button border radius                | `--seeds-rounded`       |
+| Name                         | Description                               | Default                 |
+| ---------------------------- | ----------------------------------------- | ----------------------- |
+| `--button-border-width`      | Border width                              | `--seeds-border-2`      |
+| `--button-font-family`       | Font family                               | `--seeds-font-alt-sans` |
+| `--button-font-weight`       | Font weight                               | `none`                  |
+| `--button-interior-gap`      | Space between icons/text                  | `--seeds-s3`            |
+| `--button-icon-scale-factor` | Integer                                   | `0.85`                  |
+| `--button-icon-side-padding` | Space between an icon and the button edge | `--seeds-s4`            |
+| `--button-padding-sm`        | Small button padding                      |                         |
+| `--button-font-size-sm`      | Small button font size                    | `--seeds-font-size-sm`  |
+| `--button-border-radius-sm`  | Small button border radius                | `--seeds-rounded`       |
+| `--button-padding-md`        | Medium button padding                     |                         |
+| `--button-font-size-md`      | Medium button font size                   | `--seeds-font-size-md`  |
+| `--button-border-radius-md`  | Medium button border radius               | `--seeds-rounded`       |
+| `--button-padding-lg`        | Large button padding                      |                         |
+| `--button-font-size-lg`      | Large button font size                    | `--seeds-font-size-lg`  |
+| `--button-border-radius-lg`  | Large button border radius                | `--seeds-rounded`       |
diff --git a/src/actions/__stories__/Button.stories.tsx b/src/actions/__stories__/Button.stories.tsx
index 991fac6..f6fcc95 100644
--- a/src/actions/__stories__/Button.stories.tsx
+++ b/src/actions/__stories__/Button.stories.tsx
@@ -3,7 +3,7 @@ import React from "react"
 import Button from "../Button"
 
 import Icon from "../../icons/Icon"
-import { faHeart } from "@fortawesome/free-solid-svg-icons"
+import { HeartIcon } from "@heroicons/react/24/solid"
 
 import MDXDocs from "./Button.docs.mdx"
 import HeadingGroup from "../../text/HeadingGroup"
@@ -163,8 +163,24 @@ export const linkButtons = () => (
 
 export const buttonsWithIcons = () => (
   <div style={{ display: "flex", gap: "1rem" }}>
-    <Button leadIcon={<Icon icon={faHeart} />}>Lead Icon</Button>
-    <Button tailIcon={<Icon icon={faHeart} />}>Tail Icon</Button>
+    <Button
+      leadIcon={
+        <Icon>
+          <HeartIcon />
+        </Icon>
+      }
+    >
+      Lead Icon
+    </Button>
+    <Button
+      tailIcon={
+        <Icon>
+          <HeartIcon />
+        </Icon>
+      }
+    >
+      Tail Icon
+    </Button>
   </div>
 )
 
@@ -177,10 +193,24 @@ export const textButtons = () => (
       </Button>
     </div>
     <div style={{ display: "flex", gap: "1rem" }}>
-      <Button variant="text" leadIcon={<Icon icon={faHeart} />}>
+      <Button
+        variant="text"
+        leadIcon={
+          <Icon>
+            <HeartIcon />
+          </Icon>
+        }
+      >
         Lead Icon
       </Button>
-      <Button variant="text" tailIcon={<Icon icon={faHeart} />}>
+      <Button
+        variant="text"
+        tailIcon={
+          <Icon>
+            <HeartIcon />
+          </Icon>
+        }
+      >
         Tail Icon
       </Button>
     </div>
diff --git a/src/actions/__stories__/Link.docs.mdx b/src/actions/__stories__/Link.docs.mdx
index 50f3329..28af48f 100644
--- a/src/actions/__stories__/Link.docs.mdx
+++ b/src/actions/__stories__/Link.docs.mdx
@@ -9,7 +9,7 @@ import Link from "../Link"
 
 ## Theme Variables
 
-| Name                          | Description                | Default      |
-| ----------------------------- | -------------------------- | ------------ |
-| `--link-interior-gap`         | Space between icons/text   | `--seeds-s1` |
-| `--link-icon-size-percentage` | Relative size to base font | `75%`        |
+| Name                       | Description              | Default      |
+| -------------------------- | ------------------------ | ------------ |
+| `--link-interior-gap`      | Space between icons/text | `--seeds-s1` |
+| `--link-icon-scale-factor` | Integer                  | `0.85`       |
diff --git a/src/actions/__stories__/Link.stories.tsx b/src/actions/__stories__/Link.stories.tsx
index 8623508..cb27a41 100644
--- a/src/actions/__stories__/Link.stories.tsx
+++ b/src/actions/__stories__/Link.stories.tsx
@@ -3,7 +3,7 @@ import React from "react"
 import Link from "../Link"
 
 import Icon from "../../icons/Icon"
-import { faHeart } from "@fortawesome/free-solid-svg-icons"
+import { HeartIcon } from "@heroicons/react/24/solid"
 
 import MDXDocs from "./Link.docs.mdx"
 
@@ -37,10 +37,10 @@ export const externalLink = () => (
 
 export const linksWithIcons = () => (
   <div style={{ display: "flex", gap: "1rem" }}>
-    <Link href="/test" leadIcon={<Icon icon={faHeart} />}>
+    <Link href="/test" leadIcon={<Icon><HeartIcon /></Icon>}>
       Lead Icon
     </Link>
-    <Link href="/test" tailIcon={<Icon icon={faHeart} />}>
+    <Link href="/test" tailIcon={<Icon><HeartIcon /></Icon>}>
       Tail Icon
     </Link>
   </div>
diff --git a/src/actions/__tests__/Button.test.tsx b/src/actions/__tests__/Button.test.tsx
index 38202c0..77d9ad0 100644
--- a/src/actions/__tests__/Button.test.tsx
+++ b/src/actions/__tests__/Button.test.tsx
@@ -2,7 +2,7 @@ import { render, cleanup, fireEvent } from "@testing-library/react"
 import Button from "../Button"
 
 import Icon from "../../icons/Icon"
-import { faHeart } from "@fortawesome/free-solid-svg-icons"
+import { HeartIcon } from "@heroicons/react/24/solid"
 
 afterEach(cleanup)
 
@@ -45,19 +45,19 @@ describe("<Button>", () => {
       "href",
       "https://example.com"
     )
-    expect(container.querySelector("svg[data-icon='arrow-up-right-from-square']")).toBeVisible()
+    expect(container.querySelector("svg")).toBeVisible()
   })
 
   it("displays external links with a custom icon", () => {
     const content = "Button Label"
     const { getByRole, container } = render(
-      <Button href="https://example.com" tailIcon={<Icon icon={faHeart} />}>
+      <Button href="https://example.com" tailIcon={<Icon><HeartIcon /></Icon>}>
         {content}
       </Button>
     )
 
     expect(getByRole("link", { name: content })).toHaveAttribute("href", "https://example.com")
-    expect(container.querySelector("svg[data-icon='heart']")).toBeVisible()
+    expect(container.querySelector("svg")).toBeVisible()
   })
 
   it("displays external links with no icon", () => {
diff --git a/src/actions/__tests__/Link.test.tsx b/src/actions/__tests__/Link.test.tsx
index e593e91..78fba4f 100644
--- a/src/actions/__tests__/Link.test.tsx
+++ b/src/actions/__tests__/Link.test.tsx
@@ -2,7 +2,7 @@ import { render, cleanup } from "@testing-library/react"
 import Link from "../Link"
 
 import Icon from "../../icons/Icon"
-import { faHeart } from "@fortawesome/free-solid-svg-icons"
+import { HeartIcon } from "@heroicons/react/24/solid"
 
 afterEach(cleanup)
 
@@ -32,19 +32,19 @@ describe("<Link>", () => {
       "href",
       "https://example.com"
     )
-    expect(container.querySelector("svg[data-icon='arrow-up-right-from-square']")).toBeVisible()
+    expect(container.querySelector("svg")).toBeVisible()
   })
 
   it("displays external links with a custom icon", () => {
     const content = "Button Label"
     const { getByRole, container } = render(
-      <Link href="https://example.com" tailIcon={<Icon icon={faHeart} />}>
+      <Link href="https://example.com" tailIcon={<Icon><HeartIcon className="hero-icon" /></Icon>}>
         {content}
       </Link>
     )
 
     expect(getByRole("link", { name: content })).toHaveAttribute("href", "https://example.com")
-    expect(container.querySelector("svg[data-icon='heart']")).toBeVisible()
+    expect(container.querySelector("svg[class='hero-icon']")).toBeVisible()
   })
 
   it("displays external links with no icon", () => {
diff --git a/src/blocks/Alert.scss b/src/blocks/Alert.scss
index e3664f8..04dd50a 100644
--- a/src/blocks/Alert.scss
+++ b/src/blocks/Alert.scss
@@ -3,7 +3,7 @@
   --alert-border-radius: 0;
   --alert-border: none;
   --alert-flex-gap: var(--seeds-s3);
-  --alert-icon-size: 1em;
+  --alert-icon-scale-factor: 1;
   --alert-max-width: var(--seeds-width-sm);
   --alert-font: var(--seeds-font-sans);
   --alert-font-size: var(--seeds-type-caption-size);
@@ -14,7 +14,7 @@
   --common-message-border-radius: var(--alert-border-radius);
   --common-message-border: var(--alert-border);
   --common-message-flex-gap: var(--alert-flex-gap);
-  --common-message-icon-size: var(--alert-icon-size);
+  --common-message-icon-scale-factor: var(--alert-icon-scale-factor);
   --common-message-max-width: var(--alert-max-width);
   --common-message-font: var(--alert-font);
   --common-message-font-size: var(--alert-font-size);
diff --git a/src/blocks/Message.scss b/src/blocks/Message.scss
index 1a81896..9791ba5 100644
--- a/src/blocks/Message.scss
+++ b/src/blocks/Message.scss
@@ -3,7 +3,7 @@
   --message-border-radius: 0;
   --message-border: none;
   --message-flex-gap: var(--seeds-s3);
-  --message-icon-size: 1em;
+  --message-icon-scale-factor: 1;
   --message-max-width: var(--seeds-width-sm);
   --message-font: var(--seeds-font-sans);
   --message-font-size: var(--seeds-type-caption-size);
@@ -14,7 +14,7 @@
   --common-message-border-radius: var(--message-border-radius);
   --common-message-border: var(--message-border);
   --common-message-flex-gap: var(--message-flex-gap);
-  --common-message-icon-size: var(--message-icon-size);
+  --common-message-icon-scale-factor: var(--message-icon-scale-factor);
   --common-message-max-width: var(--message-max-width);
   --common-message-font: var(--message-font);
   --common-message-font-size: var(--message-font-size);
diff --git a/src/blocks/Toast.scss b/src/blocks/Toast.scss
index 7600a24..f326d6b 100644
--- a/src/blocks/Toast.scss
+++ b/src/blocks/Toast.scss
@@ -20,7 +20,7 @@
   --toast-border-radius: 0;
   --toast-border: none;
   --toast-flex-gap: var(--seeds-s3);
-  --toast-icon-size: 1em;
+  --toast-icon-scale-factor: 1;
   --toast-max-width: var(--seeds-width-sm);
   --toast-font: var(--seeds-font-sans);
   --toast-font-size: var(--seeds-type-caption-size);
@@ -31,7 +31,7 @@
   --common-message-border-radius: var(--toast-border-radius);
   --common-message-border: var(--toast-border);
   --common-message-flex-gap: var(--toast-flex-gap);
-  --common-message-icon-size: var(--toast-icon-size);
+  --common-message-icon-scale-factor: var(--toast-icon-scale-factor);
   --common-message-max-width: var(--toast-max-width);
   --common-message-font: var(--toast-font);
   --common-message-font-size: var(--toast-font-size);
diff --git a/src/blocks/__stories__/Alert.docs.mdx b/src/blocks/__stories__/Alert.docs.mdx
index 1067bc4..e2c3c01 100644
--- a/src/blocks/__stories__/Alert.docs.mdx
+++ b/src/blocks/__stories__/Alert.docs.mdx
@@ -9,15 +9,15 @@ import Alert from "../Alert"
 
 ## Theme Variables
 
-| Name                       | Description                   | Default                        |
-| -------------------------- | ----------------------------- | ------------------------------ |
-| `--alert-padding`          | Interior spacing              | `--seeds-s4`                   |
-| `--alert-border-radius`    | Radius                        | `0`                            |
-| `--alert-border`           | Border shorthand              | `none`                         |
-| `--alert-flex-gap`         | Space between icons/text      | `--seeds-s3`                   |
-| `--alert-icon-size`        | Size                          | `1em`                          |
-| `--alert-max-width`        | Size                          | `--seeds-width-sm`             |
-| `--alert-font`             | Font                          | `--seeds-font-sans`            |
-| `--alert-font-size`        | Component font size           | `--seeds-type-caption-size`    |
-| `--alert-link-gap`         | Space between text and a link | `--seeds-s1`                   |
-| `--alert-link-font-weight` | Font weight                   | `--seeds-font-weight-semibold` |
+| Name                        | Description                   | Default                        |
+| --------------------------- | ----------------------------- | ------------------------------ |
+| `--alert-padding`           | Interior spacing              | `--seeds-s4`                   |
+| `--alert-border-radius`     | Radius                        | `0`                            |
+| `--alert-border`            | Border shorthand              | `none`                         |
+| `--alert-flex-gap`          | Space between icons/text      | `--seeds-s3`                   |
+| `--alert-icon-scale-factor` | Integer                       | `1`                            |
+| `--alert-max-width`         | Size                          | `--seeds-width-sm`             |
+| `--alert-font`              | Font                          | `--seeds-font-sans`            |
+| `--alert-font-size`         | Component font size           | `--seeds-type-caption-size`    |
+| `--alert-link-gap`          | Space between text and a link | `--seeds-s1`                   |
+| `--alert-link-font-weight`  | Font weight                   | `--seeds-font-weight-semibold` |
diff --git a/src/blocks/__stories__/Alert.stories.tsx b/src/blocks/__stories__/Alert.stories.tsx
index 4b7c52e..042a000 100644
--- a/src/blocks/__stories__/Alert.stories.tsx
+++ b/src/blocks/__stories__/Alert.stories.tsx
@@ -3,7 +3,7 @@ import { Story } from "@storybook/react"
 
 import Alert from "../Alert"
 import Icon from "../../icons/Icon"
-import { faHouseChimney } from "@fortawesome/free-solid-svg-icons"
+import { HomeModernIcon } from "@heroicons/react/24/solid"
 
 import MDXDocs from "./Alert.docs.mdx"
 
@@ -40,7 +40,14 @@ export const inverseVariants = () => (
 )
 
 export const withCustomIcon = () => (
-  <Alert variant="success" customIcon={<Icon icon={faHouseChimney} />}>
+  <Alert
+    variant="success"
+    customIcon={
+      <Icon size="md">
+        <HomeModernIcon />
+      </Icon>
+    }
+  >
     A custom icon (house-chimney)
   </Alert>
 )
diff --git a/src/blocks/__stories__/Message.docs.mdx b/src/blocks/__stories__/Message.docs.mdx
index 5b5bfb0..d1dd3c5 100644
--- a/src/blocks/__stories__/Message.docs.mdx
+++ b/src/blocks/__stories__/Message.docs.mdx
@@ -9,15 +9,15 @@ import Message from "../Message"
 
 ## Theme Variables
 
-| Name                         | Description                   | Default                        |
-| ---------------------------- | ----------------------------- | ------------------------------ |
-| `--message-padding`          | Interior spacing              | `--seeds-s4`                   |
-| `--message-border-radius`    | Radius                        | `0`                            |
-| `--message-border`           | Border shorthand              | `none`                         |
-| `--message-flex-gap`         | Space between icons/text      | `--seeds-s3`                   |
-| `--message-icon-size`        | Size                          | `1em`                          |
-| `--message-max-width`        | Size                          | `--seeds-width-sm`             |
-| `--message-font`             | Font                          | `--seeds-font-sans`            |
-| `--message-font-size`        | Component font size           | `--seeds-type-caption-size`    |
-| `--message-link-gap`         | Space between text and a link | `--seeds-s1`                   |
-| `--message-link-font-weight` | Font weight                   | `--seeds-font-weight-semibold` |
+| Name                          | Description                   | Default                        |
+| ----------------------------- | ----------------------------- | ------------------------------ |
+| `--message-padding`           | Interior spacing              | `--seeds-s4`                   |
+| `--message-border-radius`     | Radius                        | `0`                            |
+| `--message-border`            | Border shorthand              | `none`                         |
+| `--message-flex-gap`          | Space between icons/text      | `--seeds-s3`                   |
+| `--message-icon-scale-factor` | Integer                       | `1`                            |
+| `--message-max-width`         | Size                          | `--seeds-width-sm`             |
+| `--message-font`              | Font                          | `--seeds-font-sans`            |
+| `--message-font-size`         | Component font size           | `--seeds-type-caption-size`    |
+| `--message-link-gap`          | Space between text and a link | `--seeds-s1`                   |
+| `--message-link-font-weight`  | Font weight                   | `--seeds-font-weight-semibold` |
diff --git a/src/blocks/__stories__/Message.stories.tsx b/src/blocks/__stories__/Message.stories.tsx
index bd15ef7..4364403 100644
--- a/src/blocks/__stories__/Message.stories.tsx
+++ b/src/blocks/__stories__/Message.stories.tsx
@@ -3,7 +3,7 @@ import { Story } from "@storybook/react"
 
 import Message from "../Message"
 import Icon from "../../icons/Icon"
-import { faClock } from "@fortawesome/free-regular-svg-icons"
+import { ClockIcon } from "@heroicons/react/24/outline"
 
 import MDXDocs from "./Message.docs.mdx"
 
@@ -19,17 +19,9 @@ export default {
 
 export const status = () => (
   <>
-    <Message id="status-message" variant="primary-inverse" customIcon={<Icon icon={faClock} />}>
+    <Message id="status-message" variant="primary-inverse" customIcon={<Icon size="md" outlined><ClockIcon /></Icon>}>
       Application Due Date
     </Message>
-
-    <style>
-      {`
-      #status-message {
-        --message-icon-size: 1.25em;
-      }
-      `}
-    </style>
   </>
 )
 
diff --git a/src/blocks/__stories__/Toast.docs.mdx b/src/blocks/__stories__/Toast.docs.mdx
index eb3e8e1..88ff31f 100644
--- a/src/blocks/__stories__/Toast.docs.mdx
+++ b/src/blocks/__stories__/Toast.docs.mdx
@@ -9,18 +9,18 @@ import Toast from "../Toast"
 
 ## Theme Variables
 
-| Name                       | Description                   | Default                        |
-| -------------------------- | ----------------------------- | ------------------------------ |
-| `--toast-padding`          | Interior spacing              | `--seeds-s4`                   |
-| `--toast-border-radius`    | Radius                        | `0`                            |
-| `--toast-border`           | Border shorthand              | `none`                         |
-| `--toast-flex-gap`         | Space between icons/text      | `--seeds-s3`                   |
-| `--toast-icon-size`        | Size                          | `1em`                          |
-| `--toast-max-width`        | Size                          | `--seeds-width-sm`             |
-| `--toast-font`             | Font                          | `--seeds-font-sans`            |
-| `--toast-font-size`        | Component font size           | `--seeds-type-caption-size`    |
-| `--toast-link-gap`         | Space between text and a link | `--seeds-s1`                   |
-| `--toast-link-font-weight` | Font weight                   | `--seeds-font-weight-semibold` |
+| Name                        | Description                   | Default                        |
+| --------------------------- | ----------------------------- | ------------------------------ |
+| `--toast-padding`           | Interior spacing              | `--seeds-s4`                   |
+| `--toast-border-radius`     | Radius                        | `0`                            |
+| `--toast-border`            | Border shorthand              | `none`                         |
+| `--toast-flex-gap`          | Space between icons/text      | `--seeds-s3`                   |
+| `--toast-icon-scale-factor` | Integer                       | `1`                            |
+| `--toast-max-width`         | Size                          | `--seeds-width-sm`             |
+| `--toast-font`              | Font                          | `--seeds-font-sans`            |
+| `--toast-font-size`         | Component font size           | `--seeds-type-caption-size`    |
+| `--toast-link-gap`          | Space between text and a link | `--seeds-s1`                   |
+| `--toast-link-font-weight`  | Font weight                   | `--seeds-font-weight-semibold` |
 
 In addition, there are a set of variables you can customize via `#toast-stack` which affects the fixed container within which toasts are rendered:
 
diff --git a/src/blocks/__tests__/CommonMessage.test.tsx b/src/blocks/__tests__/CommonMessage.test.tsx
index b4486c7..f3fc6cc 100644
--- a/src/blocks/__tests__/CommonMessage.test.tsx
+++ b/src/blocks/__tests__/CommonMessage.test.tsx
@@ -28,7 +28,7 @@ describe("<CommonMessage>", () => {
     expect(container.querySelector("#test-id.test-class")).not.toBeNull()
     expect(container.querySelector("#test-id[data-variant=warn]")).not.toBeNull()
     expect(container.querySelector("button[aria-label=Close]")).not.toBeNull()
-    expect(container.querySelector("svg.fa-clock")).not.toBeNull()
+    expect(container.querySelector("svg")).not.toBeNull()
   })
 
   it("supports a custom onClose callback", () => {
diff --git a/src/blocks/shared/CommonMessage.scss b/src/blocks/shared/CommonMessage.scss
index 2149094..006cff1 100644
--- a/src/blocks/shared/CommonMessage.scss
+++ b/src/blocks/shared/CommonMessage.scss
@@ -5,7 +5,7 @@
   --common-message-border-radius: 0;
   --common-message-border: none;
   --common-message-flex-gap: var(--seeds-s3);
-  --common-message-icon-size: 1em;
+  --common-message-icon-scale-factor: 1;
   --common-message-max-width: var(--seeds-width-sm);
   --common-message-font: var(--seeds-font-sans);
   --common-message-font-size: var(--seeds-type-caption-size);
@@ -15,6 +15,7 @@
   padding: var(--common-message-padding);
   display: flex;
   align-items: center;
+  line-height: var(--seeds-line-height-4);
   gap: var(--common-message-flex-gap);
   max-width: var(--common-message-max-width);
   font-family: var(--common-message-font);
@@ -94,9 +95,8 @@
     border: none;
   }
 
-  .icon {
-    font-size: var(--common-message-icon-size);
-    margin-block-start: -0.15em; /* Slightly adjust flex alignment */
+  .seeds-icon {
+    --icon-scale-factor: var(--common-message-icon-scale-factor);
   }
 
   a {
diff --git a/src/blocks/shared/CommonMessage.tsx b/src/blocks/shared/CommonMessage.tsx
index 4aa1993..af21610 100644
--- a/src/blocks/shared/CommonMessage.tsx
+++ b/src/blocks/shared/CommonMessage.tsx
@@ -1,29 +1,28 @@
 import React, { forwardRef } from "react"
 import {
-  faCheck,
-  faClock,
-  faClose,
-  faInfoCircle,
-  faLock,
-  faTriangleExclamation,
-  IconDefinition,
-} from "@fortawesome/free-solid-svg-icons"
+  CheckIcon,
+  ClockIcon,
+  XMarkIcon,
+  InformationCircleIcon,
+  LockClosedIcon,
+  ExclamationTriangleIcon,
+} from "@heroicons/react/20/solid"
 import Icon from "../../icons/Icon"
 import useToggle from "../../hooks/useToggle"
 
 import "./CommonMessage.scss"
 
-const CommonMessageIconMap: Record<string, IconDefinition> = {
-  primary: faInfoCircle,
-  "primary-inverse": faInfoCircle,
-  success: faCheck,
-  "success-inverse": faCheck,
-  alert: faTriangleExclamation,
-  "alert-inverse": faTriangleExclamation,
-  warn: faClock,
-  "warn-inverse": faClock,
-  secondary: faLock,
-  "secondary-inverse": faLock,
+const CommonMessageIconMap: Record<string, any> = {
+  primary: InformationCircleIcon,
+  "primary-inverse": InformationCircleIcon,
+  success: CheckIcon,
+  "success-inverse": CheckIcon,
+  alert: ExclamationTriangleIcon,
+  "alert-inverse": ExclamationTriangleIcon,
+  warn: ClockIcon,
+  "warn-inverse": ClockIcon,
+  secondary: LockClosedIcon,
+  "secondary-inverse": LockClosedIcon,
 }
 
 export interface CommonMessageProps {
@@ -69,6 +68,7 @@ const CommonMessage = forwardRef(
     if (props.className) classNames.push(props.className)
 
     const variant = props.variant || "primary"
+    const VariantIcon = CommonMessageIconMap[variant]
 
     return props.children ? (
       <div
@@ -83,8 +83,10 @@ const CommonMessage = forwardRef(
       >
         {props.customIcon
           ? props.customIcon
-          : CommonMessageIconMap[variant] && (
-              <Icon icon={CommonMessageIconMap[variant]} size="md" />
+          : VariantIcon && (
+              <Icon size="md">
+                <VariantIcon />
+              </Icon>
             )}
         <span data-part="content">{props.children}</span>
         {props.closeable && (
@@ -97,7 +99,9 @@ const CommonMessage = forwardRef(
               }
             }}
           >
-            <Icon icon={faClose} size="md" />
+            <Icon size="md">
+              <XMarkIcon />
+            </Icon>
           </button>
         )}
       </div>
diff --git a/src/icons/Icon.scss b/src/icons/Icon.scss
index b6d54ab..0f623b7 100644
--- a/src/icons/Icon.scss
+++ b/src/icons/Icon.scss
@@ -1,20 +1,22 @@
 .seeds-icon {
-  --icon-sm: 0.75rem;
+  --icon-scale-factor: 1.0;
+
+  --icon-sm: var(--seeds-s3_5);
   --icon-sm-alignment: -0.05rem;
-  --icon-md: 1rem;
+  --icon-md: var(--seeds-s5);
   --icon-md-alignment: -0.125rem;
-  --icon-lg: 1.5rem;
-  --icon-lg-alignment: -0.5rem;
-  --icon-xl: 2.5rem;
-  --icon-xl-alignment: -0.75rem;
-  --icon-2xl: 3rem;
-  --icon-2xl-alignment: -1rem;
-  --icon-height: 1em;
-  --icon-alignment: -0.125em;
+  --icon-lg: var(--seeds-s7);
+  --icon-lg-alignment: -0.35rem;
+  --icon-xl: var(--seeds-s11);
+  --icon-xl-alignment: -0.95rem;
+  --icon-2xl: var(--seeds-s14);
+  --icon-2xl-alignment: -1.25rem;
+  --icon-height: 1.15em;
+  --icon-alignment: -0.25em;
 
   display: inline-block;
   vertical-align: var(--icon-alignment);
-  height: var(--icon-height);
+  height: calc(var(--icon-height) * var(--icon-scale-factor));
 
   &[data-size="sm"] {
     --icon-height: var(--icon-sm);
@@ -46,5 +48,12 @@
   display: block;
   height: 100%;
   aspect-ratio: 1 / 1;
+}
+
+.seeds-icon:not([data-outlined]) svg {
   fill: currentColor;
 }
+
+.seeds-icon[data-outlined] svg {
+  stroke: currentColor;
+}
diff --git a/src/icons/Icon.tsx b/src/icons/Icon.tsx
index b82b5c6..eeb3218 100644
--- a/src/icons/Icon.tsx
+++ b/src/icons/Icon.tsx
@@ -11,13 +11,15 @@ export interface IconProps {
   className?: string
   /** Specify a specific preset size */
   size?: "sm" | "md" | "lg" | "xl" | "2xl"
+  /** Set this to true for icons which only use outlined paths */
+  outlined?: boolean
   "aria-hidden"?: boolean
   "aria-label"?: string
   "aria-labelledby"?: string
   tabIndex?: number
-  /** Icon SVG metadata imported from Font Awesome */
+  /** DEPRECATED: Icon SVG metadata imported from Font Awesome */
   icon?: IconDefinition
-  /** Custom SVG in JSX if not using Font Awesome */
+  /** Custom SVG in JSX */
   children?: React.ReactNode
 }
 
@@ -31,6 +33,7 @@ const Icon = (props: IconProps) => {
       id={props.id}
       className={classNames.join(" ")}
       data-size={props.size}
+      data-outlined={props.outlined}
       aria-hidden={isHidden}
       aria-label={props["aria-label"]}
       aria-labelledby={props["aria-labelledby"]}
diff --git a/src/icons/__stories__/Icon.stories.tsx b/src/icons/__stories__/Icon.stories.tsx
index fe446fb..7f31ce5 100644
--- a/src/icons/__stories__/Icon.stories.tsx
+++ b/src/icons/__stories__/Icon.stories.tsx
@@ -1,11 +1,11 @@
 import React from "react"
 import { Story } from "@storybook/react"
 
-import { faHouseChimney } from "@fortawesome/free-solid-svg-icons"
-import { faEnvelope } from "@fortawesome/free-regular-svg-icons"
-import { faDoorOpen } from "@fortawesome/free-solid-svg-icons"
-import { faPhone } from "@fortawesome/free-solid-svg-icons"
-import { faCircleUser } from "@fortawesome/free-regular-svg-icons"
+import { HomeModernIcon } from "@heroicons/react/24/solid"
+import { EnvelopeIcon } from "@heroicons/react/24/outline"
+import { BookOpenIcon } from "@heroicons/react/24/solid"
+import { PhoneIcon } from "@heroicons/react/24/solid"
+import { UserCircleIcon } from "@heroicons/react/24/outline"
 
 import Icon, { IconProps } from "../Icon"
 
@@ -34,19 +34,34 @@ export default {
 const Template: Story<IconProps> = ({ size }) => (
   <>
     <div style={{ fontSize: "1.5em" }}>
-      <Icon icon={faHouseChimney} size={size} /> house-chimney
+      <Icon size={size}>
+        <HomeModernIcon />
+      </Icon>{" "}
+      home-modern
     </div>
     <div style={{ fontSize: "1.5em" }}>
-      <Icon icon={faEnvelope} size={size} /> envelope
+      <Icon outlined size={size}>
+        <EnvelopeIcon />
+      </Icon>{" "}
+      envelope
     </div>
     <div style={{ fontSize: "1.5em" }}>
-      <Icon icon={faDoorOpen} size={size} /> door-open
+      <Icon size={size}>
+        <BookOpenIcon />
+      </Icon>{" "}
+      book-open
     </div>
     <div style={{ fontSize: "1.5em" }}>
-      <Icon icon={faPhone} size={size} /> phone
+      <Icon size={size}>
+        <PhoneIcon />
+      </Icon>{" "}
+      phone
     </div>
     <div style={{ fontSize: "1.5em" }}>
-      <Icon icon={faCircleUser} size={size} /> circle-user
+      <Icon outlined size={size}>
+        <UserCircleIcon />
+      </Icon>{" "}
+      user-circle
     </div>
   </>
 )
@@ -60,13 +75,22 @@ icons.args = {
 export const containerBasedSizes = () => (
   <>
     <div style={{ fontSize: "var(--seeds-font-size-sm)" }}>
-      <Icon icon={faDoorOpen} /> door-open
+      <Icon>
+        <BookOpenIcon />
+      </Icon>{" "}
+      book-open
     </div>
     <div style={{ fontSize: "var(--seeds-font-size-lg)" }}>
-      <Icon icon={faDoorOpen} /> door-open
+      <Icon>
+        <BookOpenIcon />
+      </Icon>{" "}
+      book-open
     </div>
     <div style={{ fontSize: "var(--seeds-font-size-2xl)" }}>
-      <Icon icon={faDoorOpen} /> door-open
+      <Icon>
+        <BookOpenIcon />
+      </Icon>{" "}
+      book-open
     </div>
   </>
 )
@@ -74,19 +98,34 @@ export const containerBasedSizes = () => (
 export const presetSizes = () => (
   <>
     <div>
-      <Icon icon={faHouseChimney} size={"sm"} /> house-chimney (sm)
+      <Icon size={"sm"}>
+        <HomeModernIcon />
+      </Icon>{" "}
+      home-modern (sm)
     </div>
     <div>
-      <Icon icon={faHouseChimney} size={"md"} /> house-chimney (md)
+      <Icon size={"md"}>
+        <HomeModernIcon />
+      </Icon>{" "}
+      home-modern (md)
     </div>
     <div>
-      <Icon icon={faHouseChimney} size={"lg"} /> house-chimney (lg)
+      <Icon size={"lg"}>
+        <HomeModernIcon />
+      </Icon>{" "}
+      home-modern (lg)
     </div>
     <div>
-      <Icon icon={faHouseChimney} size={"xl"} /> house-chimney (xl)
+      <Icon size={"xl"}>
+        <HomeModernIcon />
+      </Icon>{" "}
+      home-modern (xl)
     </div>
     <div>
-      <Icon icon={faHouseChimney} size={"2xl"} /> house-chimney (2xl)
+      <Icon size={"2xl"}>
+        <HomeModernIcon />
+      </Icon>{" "}
+      home-modern (2xl)
     </div>
   </>
 )
diff --git a/src/icons/__tests__/Icon.test.tsx b/src/icons/__tests__/Icon.test.tsx
index f4827b4..6a45fac 100644
--- a/src/icons/__tests__/Icon.test.tsx
+++ b/src/icons/__tests__/Icon.test.tsx
@@ -1,26 +1,26 @@
 import { render, cleanup } from "@testing-library/react"
 import Icon from "../Icon"
-import { faCoffee } from "@fortawesome/free-solid-svg-icons"
+import { BookOpenIcon } from "@heroicons/react/24/solid"
 
 afterEach(cleanup)
 
 describe("<Icon>", () => {
   it("displays the icon", () => {
-    const { getByText, container } = render(<Icon icon={faCoffee} id="icn" className="test-class" />)
+    const { container } = render(<Icon id="icn" className="test-class"><BookOpenIcon /></Icon>)
     expect(container.querySelector("#icn")).not.toBeNull()
     expect(container.querySelector("#icn.test-class")).not.toBeNull()
     expect(container.querySelector("#icn svg")).not.toBeNull()
   })
 
   it("supports different sizes", () => {
-    const { getByText, container } = render(<Icon icon={faCoffee} size="md" id="icn" />)
+    const { container } = render(<Icon size="md" id="icn"><BookOpenIcon /></Icon>)
     expect(container.querySelector("#icn")).not.toBeNull()
     expect(container.querySelector("#icn[data-size='md']")).not.toBeNull()
     expect(container.querySelector("#icn svg")).not.toBeNull()
   })
 
   it("displays SVG child content", () => {
-    const { getByText, container } = render(<Icon id="icn" className="test-class"><svg /></Icon>)
+    const { container } = render(<Icon id="icn" className="test-class"><svg /></Icon>)
     expect(container.querySelector("#icn")).not.toBeNull()
     expect(container.querySelector("#icn.test-class")).not.toBeNull()
     expect(container.querySelector("#icn svg")).not.toBeNull()
diff --git a/src/overlays/Overlay.tsx b/src/overlays/Overlay.tsx
index 35b220e..6b19c09 100644
--- a/src/overlays/Overlay.tsx
+++ b/src/overlays/Overlay.tsx
@@ -1,7 +1,7 @@
 import React, { useEffect, useRef, useId } from "react"
 import { createPortal } from "react-dom"
 import FocusTrap from "focus-trap-react"
-import { faXmark } from "@fortawesome/free-solid-svg-icons"
+import { XMarkIcon } from "@heroicons/react/20/solid"
 import Icon from "../icons/Icon"
 import Heading from "../text/Heading"
 import usePortal from "../hooks/usePortal"
@@ -30,7 +30,7 @@ const OverlayHeader = (props: OverlayHeaderProps) => {
 
   const closeButton = (
     <button onClick={() => headerRef.current?.dispatchEvent(new Event("seeds:close", { bubbles: true }))}>
-      <Icon icon={faXmark} size={"lg"} className={"seeds-overlay-close-icon"} />
+      <Icon size={"lg"} className={"seeds-overlay-close-icon"}><XMarkIcon /></Icon>
     </button>
   )
 
diff --git a/src/text/Tag.scss b/src/text/Tag.scss
index 1ad7a84..498deae 100644
--- a/src/text/Tag.scss
+++ b/src/text/Tag.scss
@@ -9,6 +9,7 @@
   --tag-font-weight-lg: var(--seeds-font-weight-semibold);
 
   display: inline-flex;
+  align-items: center;
   border-radius: var(--tag-border-radius);
   padding-inline: var(--tag-padding-inline);
   padding-block: var(--tag-padding-block);
diff --git a/src/text/__stories__/Tag.stories.tsx b/src/text/__stories__/Tag.stories.tsx
index 147d08a..534f4fa 100644
--- a/src/text/__stories__/Tag.stories.tsx
+++ b/src/text/__stories__/Tag.stories.tsx
@@ -3,7 +3,7 @@ import React from "react"
 import Tag from "../Tag"
 
 import Icon from "../../icons/Icon"
-import { faFaceSmile } from "@fortawesome/free-solid-svg-icons"
+import { FaceSmileIcon } from "@heroicons/react/20/solid"
 
 import MDXDocs from "./Tag.docs.mdx"
 import HeadingGroup from "../HeadingGroup"
@@ -88,10 +88,10 @@ export const withIcons = () => (
   <>
     <div style={{ display: "flex", gap: ".5rem" }}>
       <Tag>
-        <Icon icon={faFaceSmile} /> Icon Left
+        <Icon><FaceSmileIcon /></Icon> Icon Left
       </Tag>
       <Tag>
-        Icon Right <Icon icon={faFaceSmile} />
+        Icon Right <Icon><FaceSmileIcon /></Icon>
       </Tag>
     </div>
   </>
diff --git a/yarn.lock b/yarn.lock
index 66349c3..8d72d0d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1417,20 +1417,6 @@
   dependencies:
     "@fortawesome/fontawesome-common-types" "6.3.0"
 
-"@fortawesome/free-regular-svg-icons@^6.3.0":
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/@fortawesome/free-regular-svg-icons/-/free-regular-svg-icons-6.3.0.tgz#286f87f777e6c96af59151e86647c81083029ee2"
-  integrity sha512-cZnwiVHZ51SVzWHOaNCIA+u9wevZjCuAGSvSYpNlm6A4H4Vhwh8481Bf/5rwheIC3fFKlgXxLKaw8Xeroz8Ntg==
-  dependencies:
-    "@fortawesome/fontawesome-common-types" "6.3.0"
-
-"@fortawesome/free-solid-svg-icons@^6.3.0":
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/@fortawesome/free-solid-svg-icons/-/free-solid-svg-icons-6.3.0.tgz#d3bd33ae18bb15fdfc3ca136e2fea05f32768a65"
-  integrity sha512-x5tMwzF2lTH8pyv8yeZRodItP2IVlzzmBuD1M7BjawWgg9XAvktqJJ91Qjgoaf8qJpHQ8FEU9VxRfOkLhh86QA==
-  dependencies:
-    "@fortawesome/fontawesome-common-types" "6.3.0"
-
 "@fortawesome/react-fontawesome@^0.2.0":
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/@fortawesome/react-fontawesome/-/react-fontawesome-0.2.0.tgz#d90dd8a9211830b4e3c08e94b63a0ba7291ddcf4"
@@ -1443,6 +1429,11 @@
   resolved "https://registry.yarnpkg.com/@gar/promisify/-/promisify-1.1.3.tgz#555193ab2e3bb3b6adc3d551c9c030d9e860daf6"
   integrity sha512-k2Ty1JcVojjJFwrg/ThKi2ujJ7XNLYaFGNB/bWT9wGR+oSMJHMa5w+CUq6p/pVrKeNNgA7pCqEcjSnHVoqJQFw==
 
+"@heroicons/react@^2.0.18":
+  version "2.0.18"
+  resolved "https://registry.yarnpkg.com/@heroicons/react/-/react-2.0.18.tgz#f80301907c243df03c7e9fd76c0286e95361f7c1"
+  integrity sha512-7TyMjRrZZMBPa+/5Y8lN0iyvUU/01PeMGX2+RE7cQWpEUIcb4QotzUObFkJDejj/HUH4qjP/eQ0gzzKs2f+6Yw==
+
 "@humanwhocodes/config-array@^0.11.6":
   version "0.11.7"
   resolved "https://registry.yarnpkg.com/@humanwhocodes/config-array/-/config-array-0.11.7.tgz#38aec044c6c828f6ed51d5d7ae3d9b9faf6dbb0f"