diff --git a/README.md b/README.md
index 2a1db16..b269fd4 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@ This userChrome.css changes the following:
 - Margins of the bookmark list
 - Margins of identity boxes
 
+This userChrome.css is fully compatible with [Firefox Color](https://color.firefox.com).
+
 ## Installation
 Follow this guide: [How to Create a userChrome.css File](https://www.userchrome.org/how-create-userchrome-css.html).