diff --git a/rc/filetype/kakrc.kak b/rc/filetype/kakrc.kak
index fb19ccef..2a2f505f 100644
--- a/rc/filetype/kakrc.kak
+++ b/rc/filetype/kakrc.kak
@@ -80,7 +80,7 @@ evaluate-commands %sh{
                    add-highlighter shared/kakrc/code/values regex (?:\s|\A)\K($(join "${values}" '|'))(?:(?=\s)|\z) 0:value"
 }
 
-add-highlighter shared/kakrc/code/colors regex \brgb:[0-9a-fA-F]{6}\b 0:value
+add-highlighter shared/kakrc/code/colors regex \b(rgb:[0-9a-fA-F]{6}|rgba:[0-9a-fA-F]{8})\b 0:value
 
 add-highlighter shared/kakrc/double_string/fill fill string
 add-highlighter shared/kakrc/double_string/escape regex '""' 0:default+b