diff --git a/README.md b/README.md
index 3c5c5cc..c2f028b 100644
--- a/README.md
+++ b/README.md
@@ -296,7 +296,7 @@ set -g @thumbs-osc52 1
 
 #### Colors
 
-This is the list of available colors:
+This is the list of predefined colors:
 
 - black
 - red
@@ -308,6 +308,8 @@ This is the list of available colors:
 - white
 - default
 
+There is also support for using hex colors in the form of `#RRGGBB`.
+
 #### Alphabets
 
 This is the list of available alphabets: