diff --git a/web/app/styles/hue-controls.scss b/web/app/styles/hue-controls.scss
index 84759a8..e4a49e4 100644
--- a/web/app/styles/hue-controls.scss
+++ b/web/app/styles/hue-controls.scss
@@ -81,7 +81,7 @@
 
 #color-picker {
   padding: 5px;
-  background: rgba(0, 0, 0, 0.7);
+  background: rgba(0, 0, 0, 0.6);
   box-shadow: 5px 10px 15px 5px rgba(0, 0, 0, 0.3);
   color: #ffffff;
   position: absolute;
diff --git a/web/public/assets/images/colormap.png b/web/public/assets/images/colormap.png
index 53c80ef..1f7a6d6 100644
Binary files a/web/public/assets/images/colormap.png and b/web/public/assets/images/colormap.png differ