diff --git a/CHANGES.md b/CHANGES.md
index a8a7645f9a1..acd9c16fbc5 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -12,6 +12,7 @@ Fixed Issues:
 
 * [#2672](https://github.com/ckeditor/ckeditor-dev/issues/2672): Fixed: When resizing [Enhanced Image](https://ckeditor.com/cke4/addon/image2) to minimum size with a resizer the image dialog doesn't show actual values.
 * [#1478](https://github.com/ckeditor/ckeditor-dev/issues/1478): Fixed: Custom colors added to [Color Button](https://ckeditor.com/cke4/addon/colorbutton) via [`config.colorButton_colors`](https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_config.html#cfg-colorButton_colors) in form label/code don't work correctly.
+* [#2923](https://github.com/ckeditor/ckeditor-dev/issues/2923): Fixed: CSS `windowtext` color is not correctly recognized by [`CKEDITOR.tools.style.parse`](https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_tools_style_parse.html) functions.
 
 API Changes:
 
diff --git a/tests/core/tools/style.js b/tests/core/tools/style.js
index b23f4c54f2c..7fbb73cceff 100644
--- a/tests/core/tools/style.js
+++ b/tests/core/tools/style.js
@@ -130,6 +130,12 @@
 			assertObject( { top: '3px', right: '0', bottom: '2', left: '0' }, CKEDITOR.tools.style.parse.margin( '3px 0 2' ) );
 		},
 
+
+		// (#2923)
+		'test recognize `windowtext` as a color': function() {
+			assertObject( { color: 'windowtext' }, CKEDITOR.tools.style.parse.background( 'windowtext' ) );
+		},
+
 		// (#1490)
 		'test style.parse.sideShorthand docs sample': function() {
 			assertObject( { top: 'solid', right: 'dotted', bottom: 'solid', left: 'dotted' }, CKEDITOR.tools.style.parse.sideShorthand( 'solid dotted' ) );