diff --git a/nih_plug_vizia/assets/widgets.css b/nih_plug_vizia/assets/widgets.css
index a15ab9b4..30d8c8f5 100644
--- a/nih_plug_vizia/assets/widgets.css
+++ b/nih_plug_vizia/assets/widgets.css
@@ -50,7 +50,7 @@ param-slider .fill {
   background-color: #c4c4c4;
 }
 param-slider .fill--modulation {
-  background-color: #c9f2fc;
+  background-color: #a4eafc69;
 }
 
 /* This is a textbox, but we want it to appear just like the label */