diff --git a/gtk2_ardour/dark.colors b/gtk2_ardour/dark.colors
index f02c29c321..a7c40bd8e3 100644
--- a/gtk2_ardour/dark.colors
+++ b/gtk2_ardour/dark.colors
@@ -15,7 +15,7 @@
     <Color name="meter color9" value="0xFF0000ff"/>
     <Color name="color 1" value="0x20b2b2ff"/>
     <Color name="color 10" value="0xf0f0f0ff"/>
-    <Color name="color 100" value="0xe49c9cc9"/>
+    <Color name="color 100" value="0xe49c9cff"/>
     <Color name="color 101" value="0xa06000ff"/>
     <Color name="color 102" value="0x70727fcc"/>
     <Color name="color 103" value="0x1e7727f9"/>
@@ -485,7 +485,7 @@
   </ColorAliases>    
   <Modifiers>
     <Modifier name="crossfade alpha" modifier="= alpha:0.1803"/>
-    <Modifier name="modifier 100" modifier="= alpha:0.7882"/>
+    <Modifier name="stereo panner inverted" modifier="= alpha:0.7882"/>
     <Modifier name="modifier 102" modifier="= alpha:0.8"/>
     <Modifier name="modifier 103" modifier="= alpha:0.9764"/>
     <Modifier name="modifier 105" modifier="= alpha:3137"/>
diff --git a/gtk2_ardour/stereo_panner.cc b/gtk2_ardour/stereo_panner.cc
index 37fa5a6b4b..a0353e9844 100644
--- a/gtk2_ardour/stereo_panner.cc
+++ b/gtk2_ardour/stereo_panner.cc
@@ -683,7 +683,7 @@ StereoPanner::set_colors ()
 	colors[Mono].background = ARDOUR_UI::config()->color ("stereo panner mono bg");
 	colors[Mono].rule = ARDOUR_UI::config()->color ("stereo panner rule");
 
-	colors[Inverted].fill = ARDOUR_UI::config()->color ("stereo panner inverted fill");
+	colors[Inverted].fill = ARDOUR_UI::config()->color_mod ("stereo panner inverted fill", "stereo panner inverted");
 	colors[Inverted].outline = ARDOUR_UI::config()->color ("stereo panner inverted outline");
 	colors[Inverted].text = ARDOUR_UI::config()->color ("stereo panner inverted text");
 	colors[Inverted].background = ARDOUR_UI::config()->color ("stereo panner inverted bg");