diff --git a/gtk2_ardour/ardour3_ui_default.conf b/gtk2_ardour/ardour3_ui_default.conf
index 62a1f98f39..690495a40f 100644
--- a/gtk2_ardour/ardour3_ui_default.conf
+++ b/gtk2_ardour/ardour3_ui_default.conf
@@ -118,7 +118,7 @@
     <Option name="stereo panner mono text" value="000000ff"/>
     <Option name="stereo panner mono bg" value="2e2929ff"/>
     <Option name="stereo panner inverted outline" value="bf0a00ff"/>
-    <Option name="stereo panner inverted fill" value="e1574cc9"/>
+    <Option name="stereo panner inverted fill" value="e4a19cc9"/> 
     <Option name="stereo panner inverted text" value="000000ff"/>
     <Option name="stereo panner inverted bg" value="2e2929ff"/>
     <Option name="tempo bar" value="70727fff"/>