diff --git a/css/Abernathy.css b/css/Abernathy.css
index 87c11727f7..1d3990a8ac 100644
--- a/css/Abernathy.css
+++ b/css/Abernathy.css
@@ -20,6 +20,8 @@
   --red: #cd0000;
   --black: #000000;
   --name: 'Abernathy';
+  --Luma: 0.0764964705882353;
+  --Contrast: 0.856270588235294;
   --IsBright: 0;
   --IsDark: 1;
 }