diff --git a/src/lib/components/Keyboard.css b/src/lib/components/Keyboard.css
index 744b43b2..9425ee9d 100644
--- a/src/lib/components/Keyboard.css
+++ b/src/lib/components/Keyboard.css
@@ -73,7 +73,7 @@ html {
 }
 
 .simple-keyboard.hg-theme-default .hg-button.hg-activeButton {
-  background: #a6a6a6;
+  background: #efefef;
 }
 
 /* When using option "useButtonTag" */