diff --git a/less/_colors.less b/less/_colors.less
index 7e7f1d8e..f6c85e9f 100644
--- a/less/_colors.less
+++ b/less/_colors.less
@@ -287,7 +287,7 @@ Then, run this script to get the list.
 @orange-A200: #ffab40;
 @orange-A400: #ff9100;
 @orange-A700: #ff6d00;
-@orange-500: @orange;
+@orange: @orange-500;
 
 
 @deep-orange-50: #fbe9e7;
@@ -360,3 +360,4 @@ Then, run this script to get the list.
 
 @black: #000000;
 @white: #ffffff;
+@inverse: @indigo;