diff --git a/lib/parsers.js b/lib/parsers.js
index 887bd51..29d6a31 100644
--- a/lib/parsers.js
+++ b/lib/parsers.js
@@ -4,6 +4,7 @@
  ********************************************************************/
 'use strict';
 
+const { resolve } = require('@asamuzakjp/css-color');
 const namedColors = require('./named_colors.json');
 const { hslToRgb } = require('./utils/colorSpace');
 
@@ -323,7 +324,7 @@ exports.parseColor = function parseColor(val) {
     return 'rgb(' + red + ', ' + green + ', ' + blue + ')';
   }
 
-  res = colorRegEx2.exec(val);
+  res = val.includes(',') && colorRegEx2.exec(val);
   if (res) {
     parts = res[1].split(/\s*,\s*/);
     if (parts.length !== 3) {
@@ -346,7 +347,7 @@ exports.parseColor = function parseColor(val) {
     return 'rgb(' + red + ', ' + green + ', ' + blue + ')';
   }
 
-  res = colorRegEx3.exec(val);
+  res = val.includes(',') && colorRegEx3.exec(val);
   if (res) {
     parts = res[1].split(/\s*,\s*/);
     if (parts.length !== 4) {
@@ -402,6 +403,11 @@ exports.parseColor = function parseColor(val) {
   if (type === exports.TYPES.COLOR) {
     return val;
   }
+
+  res = resolve(val);
+  if (res) {
+    return res;
+  }
   return undefined;
 };
 
diff --git a/package-lock.json b/package-lock.json
index f18d9a6..b870ddb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "version": "4.1.0",
       "license": "MIT",
       "dependencies": {
+        "@asamuzakjp/css-color": "^1.1.1",
         "rrweb-cssom": "^0.7.1"
       },
       "devDependencies": {
@@ -28,6 +29,15 @@
         "node": ">=18"
       }
     },
+    "node_modules/@asamuzakjp/css-color": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@asamuzakjp/css-color/-/css-color-1.1.1.tgz",
+      "integrity": "sha512-wfKjiBrlQC2bexTisWDyYrZToSGKV3AYZ44MTdYb2bJiQmt29VtW43MDSax8pAghfmDKuNg08tNXBGcy96b9jQ==",
+      "license": "MIT",
+      "dependencies": {
+        "lru-cache": "^11.0.2"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.24.7",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.24.7.tgz",
@@ -2000,6 +2010,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/lru-cache": {
+      "version": "11.0.2",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-11.0.2.tgz",
+      "integrity": "sha512-123qHRfJBmo2jXDbo/a5YOQrJoHF/GNQTLzQ5+IdK5pWpceK17yRc6ozlWd25FxvGKQbIUs91fDFkXmDHTKcyA==",
+      "license": "ISC",
+      "engines": {
+        "node": "20 || >=22"
+      }
+    },
     "node_modules/memorystream": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/memorystream/-/memorystream-0.3.1.tgz",
diff --git a/package.json b/package.json
index 41617d7..e559278 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
   ],
   "main": "./lib/CSSStyleDeclaration.js",
   "dependencies": {
+    "@asamuzakjp/css-color": "^1.1.1",
     "rrweb-cssom": "^0.7.1"
   },
   "devDependencies": {
diff --git a/test/parsers.js b/test/parsers.js
index a0b3ff9..d0f732c 100644
--- a/test/parsers.js
+++ b/test/parsers.js
@@ -114,15 +114,52 @@ describe('parseColor', () => {
   it('should convert not zero hsl with non zero hue 120 to rgb(0, 255, 0)', () => {
     let input = 'hsl(120, 100%, 50%)';
     let output = parsers.parseColor(input);
+
     assert.strictEqual(output, 'rgb(0, 255, 0)');
   });
 
   it('should convert not zero hsl with non zero hue 240 to rgb(0, 0, 255)', () => {
     let input = 'hsl(240, 100%, 50%)';
     let output = parsers.parseColor(input);
+
     assert.strictEqual(output, 'rgb(0, 0, 255)');
   });
 
+  it('should convert modern rgb to rgb values', () => {
+    let input = 'rgb(128 0 128 / 1)';
+    let output = parsers.parseColor(input);
+
+    assert.strictEqual(output, 'rgb(128, 0, 128)');
+  });
+
+  it('should convert modern rgba to rgba values', () => {
+    let input = 'rgba(128 0 128 / 0.5)';
+    let output = parsers.parseColor(input);
+
+    assert.strictEqual(output, 'rgba(128, 0, 128, 0.5)');
+  });
+
+  it('should convert lab to rgb values', () => {
+    let input = 'lab(46.2775% -47.5621 48.5837)'; // green
+    let output = parsers.parseColor(input);
+
+    assert.strictEqual(output, 'rgb(0, 128, 0)');
+  });
+
+  it('should convert color function to rgb values', () => {
+    let input = 'color(srgb 0 0.5 0)';
+    let output = parsers.parseColor(input);
+
+    assert.strictEqual(output, 'rgb(0, 128, 0)');
+  });
+
+  it('should convert color-mix to rgb values', () => {
+    let input = 'color-mix(in srgb, red, blue)';
+    let output = parsers.parseColor(input);
+
+    assert.strictEqual(output, 'rgb(128, 0, 128)');
+  });
+
   it.todo('Add more tests');
 });
 describe('parseAngle', () => {