diff --git a/after/syntax/css/color-4.vim b/after/syntax/css/color-4.vim
index 3f6bc51..9414efc 100644
--- a/after/syntax/css/color-4.vim
+++ b/after/syntax/css/color-4.vim
@@ -1,4 +1,4 @@
-syn keyword cssFontAttr contained perceptual
+syn keyword cssFontAttr contained perceptual accentcolor accentcolortext
 syn match cssFontAttr contained "\<\(relative\|absolute\)-colorimetric\>"
 syn region cssFunction contained matchgroup=cssFunctionName start="\<\(hwb\|lab\|lch\|color\|device-cmyk\=\)\s*(" end=")" oneline keepend
 syn match cssFontDescriptor "@color-profile\>" nextgroup=cssFontDescriptorBlock skipwhite skipnl
diff --git a/test/test.css b/test/test.css
index 010b757..ae5f018 100644
--- a/test/test.css
+++ b/test/test.css
@@ -90,6 +90,8 @@
 	display: relative-colorimetric;
 	display: absolute-colorimetric;
 	display: perceptual;
+	display: accentcolor;
+	display: accentcolortext;
 }
 
 @color-profile swopc {