diff --git a/packages/kbn-search-api-panels/components/cloud_details.tsx b/packages/kbn-search-api-panels/components/cloud_details.tsx
index df2cc6bb6837d..0c406b4c31855 100644
--- a/packages/kbn-search-api-panels/components/cloud_details.tsx
+++ b/packages/kbn-search-api-panels/components/cloud_details.tsx
@@ -97,7 +97,7 @@ export const CloudDetailsPanel = ({
             </EuiFlexItem>
             <EuiFlexItem grow={false}>
               <span>
-                <EuiBadge color="success">
+                <EuiBadge color="accent">
                   <FormattedMessage
                     id="searchApiPanels.cloudIdDetails.elasticsearchEndpoint.recommendedBadge"
                     defaultMessage="Recommended"
diff --git a/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/crawler/crawler_domain_detail/authentication_panel/authentication_panel_actions.tsx b/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/crawler/crawler_domain_detail/authentication_panel/authentication_panel_actions.tsx
index ba6e9d2c19316..49d15c041f145 100644
--- a/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/crawler/crawler_domain_detail/authentication_panel/authentication_panel_actions.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/crawler/crawler_domain_detail/authentication_panel/authentication_panel_actions.tsx
@@ -61,7 +61,7 @@ export const AuthenticationPanelActions: React.FC = () => {
   ) : currentAuth === null ? (
     <EuiButton
       data-telemetry-id="entSearchContent-crawler-domainDetail-authentication-addCredentials"
-      color="success"
+      color="primary"
       iconType="plusInCircle"
       size="s"
       onClick={() => enableEditing(currentAuth)}
diff --git a/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/crawler/domain_management/domains_panel.tsx b/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/crawler/domain_management/domains_panel.tsx
index 41af7db78b6be..60f2e52211972 100644
--- a/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/crawler/domain_management/domains_panel.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/crawler/domain_management/domains_panel.tsx
@@ -47,7 +47,7 @@ export const DomainsPanel: React.FC = () => {
             data-telemetry-id="entSearchContent-crawler-domainManagement-addDomain-addDomain"
             onClick={openFlyout}
             size="s"
-            color="success"
+            color="primary"
             iconType="plusInCircle"
           >
             {i18n.translate('xpack.enterpriseSearch.crawler.addDomainFlyout.openButtonLabel', {
diff --git a/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/ml_inference/add_ml_inference_button.tsx b/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/ml_inference/add_ml_inference_button.tsx
index 1f8bc30e2903c..c7c296a443ebf 100644
--- a/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/ml_inference/add_ml_inference_button.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/ml_inference/add_ml_inference_button.tsx
@@ -79,7 +79,7 @@ const AddButton: React.FC<{
   <EuiButton
     fullWidth
     data-telemetry-id={`entSearchContent-${ingestionMethod}-pipelines-addInferencePipeline`}
-    color={disabled ? undefined : 'success'}
+    color={disabled ? undefined : 'primary'}
     disabled={disabled}
     iconType={disabled ? 'lock' : 'plusInCircle'}
     onClick={onClick}
diff --git a/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/ml_inference/text_expansion_callout/deploy_model.tsx b/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/ml_inference/text_expansion_callout/deploy_model.tsx
index 018ee27500949..c666b5f5adaf6 100644
--- a/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/ml_inference/text_expansion_callout/deploy_model.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/ml_inference/text_expansion_callout/deploy_model.tsx
@@ -38,12 +38,12 @@ export const DeployModel = ({
   const { createTextExpansionModel } = useActions(TextExpansionCalloutLogic);
 
   return (
-    <EuiCallOut color="success">
+    <EuiCallOut color="primary">
       <EuiFlexGroup direction="column" gutterSize="s">
         <EuiFlexItem>
           <EuiFlexGroup direction="row" gutterSize="s" alignItems="center">
             <EuiFlexItem grow={false}>
-              <EuiBadge color="success">
+              <EuiBadge color="primary">
                 <FormattedMessage
                   id="xpack.enterpriseSearch.content.index.pipelines.textExpansionCallOut.titleBadge"
                   defaultMessage="New"
@@ -51,7 +51,7 @@ export const DeployModel = ({
               </EuiBadge>
             </EuiFlexItem>
             <EuiFlexItem grow>
-              <EuiText color="success" size="xs">
+              <EuiText color="primary" size="xs">
                 <h3>
                   {i18n.translate(
                     'xpack.enterpriseSearch.content.index.pipelines.textExpansionCallOut.title',
@@ -87,7 +87,7 @@ export const DeployModel = ({
               >
                 <EuiFlexItem grow={false}>
                   <EuiButton
-                    color="success"
+                    color="primary"
                     data-telemetry-id={`entSearchContent-${ingestionMethod}-pipelines-textExpansionCallOut-deployModel`}
                     disabled={isCreateButtonDisabled}
                     iconType="launch"
diff --git a/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/pipelines.tsx b/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/pipelines.tsx
index 40b7c9596cb3a..4ea807262d20b 100644
--- a/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/pipelines.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/pipelines.tsx
@@ -190,7 +190,7 @@ export const SearchIndexPipelines: React.FC = () => {
               hasIndexIngestionPipeline ? (
                 <EuiFlexGroup alignItems="center" gutterSize="xs" justifyContent="center">
                   <EuiFlexItem grow={false}>
-                    <EuiBadge color="success">
+                    <EuiBadge color="accent">
                       {i18n.translate(
                         'xpack.enterpriseSearch.content.indices.pipelines.ingestionPipeline.customBadge',
                         { defaultMessage: 'Custom' }
diff --git a/x-pack/plugins/enterprise_search/public/applications/shared/search_labs_banner/search_labs_banner.tsx b/x-pack/plugins/enterprise_search/public/applications/shared/search_labs_banner/search_labs_banner.tsx
index d9f1be314a56e..a1b3302cd35a8 100644
--- a/x-pack/plugins/enterprise_search/public/applications/shared/search_labs_banner/search_labs_banner.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/shared/search_labs_banner/search_labs_banner.tsx
@@ -36,10 +36,11 @@ export const SearchLabsBanner: React.FC = () => {
     <EuiPanel
       hasBorder
       hasShadow
-      color="success"
+      color="accentSecondary"
       css={css`
         background-image: url(${backgroundImagePath});
         background-repeat: no-repeat;
+        background-size: cover;
       `}
     >
       <SearchLabsLogo
diff --git a/x-pack/plugins/enterprise_search/public/applications/shared/tables/inline_editable_table/inline_editable_table.tsx b/x-pack/plugins/enterprise_search/public/applications/shared/tables/inline_editable_table/inline_editable_table.tsx
index d14acc91ac581..df53a0dc26a39 100644
--- a/x-pack/plugins/enterprise_search/public/applications/shared/tables/inline_editable_table/inline_editable_table.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/shared/tables/inline_editable_table/inline_editable_table.tsx
@@ -140,7 +140,7 @@ export const InlineEditableTableContents = <Item extends ItemWithAnID>({
             iconType="plusInCircle"
             disabled={isEditing}
             onClick={editNewItem}
-            color="success"
+            color="primary"
             data-test-subj="inlineEditableTableActionButton"
           >
             {addButtonText ||
diff --git a/x-pack/plugins/enterprise_search/public/applications/vector_search/components/dev_tools_console_code_block/dev_tools_console_code_block.tsx b/x-pack/plugins/enterprise_search/public/applications/vector_search/components/dev_tools_console_code_block/dev_tools_console_code_block.tsx
index d48011d54cdff..46a60456be7cc 100644
--- a/x-pack/plugins/enterprise_search/public/applications/vector_search/components/dev_tools_console_code_block/dev_tools_console_code_block.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/vector_search/components/dev_tools_console_code_block/dev_tools_console_code_block.tsx
@@ -39,7 +39,7 @@ export const DevToolsConsoleCodeBlock: React.FC<DevToolsConsoleCodeBlockProps> =
 
   return (
     <EuiThemeProvider colorMode="dark">
-      <EuiPanel hasShadow={false}>
+      <EuiPanel hasShadow={false} hasBorder>
         <EuiFlexGroup direction="column" gutterSize="xs">
           <EuiFlexGroup
             direction="rowReverse"
diff --git a/x-pack/plugins/index_management/public/application/sections/home/index_list/details_page/semantic_text_banner.tsx b/x-pack/plugins/index_management/public/application/sections/home/index_list/details_page/semantic_text_banner.tsx
index b07886c4526f5..2ebcde354bab3 100644
--- a/x-pack/plugins/index_management/public/application/sections/home/index_list/details_page/semantic_text_banner.tsx
+++ b/x-pack/plugins/index_management/public/application/sections/home/index_list/details_page/semantic_text_banner.tsx
@@ -57,10 +57,10 @@ export function SemanticTextBanner({
 
   return isSemanticTextBannerDisplayable && isSemanticTextEnabled ? (
     <>
-      <EuiPanel color="success" data-test-subj="indexDetailsMappingsSemanticTextBanner">
+      <EuiPanel color="accentSecondary" data-test-subj="indexDetailsMappingsSemanticTextBanner">
         <EuiFlexGroup>
           <EuiFlexItem>
-            <EuiText size="m" color="success">
+            <EuiText size="m" color="primary">
               {isPlatinumLicense ? platinumLicenseMessage : defaultLicenseMessage}
             </EuiText>
           </EuiFlexItem>
diff --git a/x-pack/plugins/search_notebooks/public/components/notebooks_button.tsx b/x-pack/plugins/search_notebooks/public/components/notebooks_button.tsx
index 66fc50a03ddd7..d71cade82aae7 100644
--- a/x-pack/plugins/search_notebooks/public/components/notebooks_button.tsx
+++ b/x-pack/plugins/search_notebooks/public/components/notebooks_button.tsx
@@ -30,7 +30,7 @@ export const SearchNotebooksButton = ({
   if (activeView) {
     return (
       <EuiButton
-        color="success"
+        color="primary"
         fill
         onClick={onClick}
         size="s"
@@ -47,7 +47,7 @@ export const SearchNotebooksButton = ({
   }
   return (
     <EuiButtonEmpty
-      color="success"
+      color="primary"
       onClick={onClick}
       size="s"
       iconType="documentation"
diff --git a/x-pack/plugins/serverless_search/public/application/components/overview.scss b/x-pack/plugins/serverless_search/public/application/components/overview.scss
index fe5e83e5ccf41..195fbd2fdf018 100644
--- a/x-pack/plugins/serverless_search/public/application/components/overview.scss
+++ b/x-pack/plugins/serverless_search/public/application/components/overview.scss
@@ -1,7 +1,3 @@
-.serverlessSearchHeaderSection {
-  background-color: $euiColorPrimary;
-}
-
 .serverlessSearchHeaderSection > div {
   padding-bottom: 0;
   padding-top: 0;
@@ -13,4 +9,4 @@
 
 .serverlessSearchCloudDetailsCopyPanel {
   word-break: break-all;
-}
\ No newline at end of file
+}
diff --git a/x-pack/plugins/serverless_search/public/application/components/overview.tsx b/x-pack/plugins/serverless_search/public/application/components/overview.tsx
index 678eadb6b5cb6..d20706a6aa804 100644
--- a/x-pack/plugins/serverless_search/public/application/components/overview.tsx
+++ b/x-pack/plugins/serverless_search/public/application/components/overview.tsx
@@ -14,7 +14,6 @@ import {
   EuiIcon,
   EuiPageTemplate,
   EuiPanel,
-  EuiText,
   EuiBadge,
 } from '@elastic/eui';
 import { i18n } from '@kbn/i18n';
@@ -96,9 +95,7 @@ export const ElasticsearchOverview = () => {
   return (
     <EuiPageTemplate offset={0} grow restrictWidth data-test-subj="svlSearchOverviewPage">
       <EuiPageTemplate.Section alignment="top" className="serverlessSearchHeaderSection">
-        <EuiText color="ghost">
-          <WelcomeBanner user={user} assetBasePath={assetBasePath} />
-        </EuiText>
+        <WelcomeBanner user={user} assetBasePath={assetBasePath} />
       </EuiPageTemplate.Section>
       <EuiPageTemplate.Section
         color="subdued"