diff --git a/gtk2_ardour/dark.colors b/gtk2_ardour/dark.colors
index 07fd048bea..2fdc50408b 100644
--- a/gtk2_ardour/dark.colors
+++ b/gtk2_ardour/dark.colors
@@ -117,11 +117,11 @@
   </Colors>
   <ColorAliases>
     <ColorAlias name="active crossfade" alias="color 1"/>
-    <ColorAlias name="arrange base" alias="color 2"/>
+    <ColorAlias name="arrange base" alias="color 34"/>
     <ColorAlias name="audio automation track fill" alias="color 70"/>
     <ColorAlias name="audio bus base" alias="color 3"/>
     <ColorAlias name="audio master bus base" alias="color 4"/>
-    <ColorAlias name="audio track base" alias="color 70"/>
+    <ColorAlias name="audio track base" alias="color 77"/>
     <ColorAlias name="automation line" alias="color 6"/>
     <ColorAlias name="automation track outline" alias="color 7"/>
     <ColorAlias name="big clock active: background" alias="color 4"/>
@@ -250,7 +250,7 @@
     <ColorAlias name="meterstrip ppm fg" alias="color 31"/>
     <ColorAlias name="meterstrip vu bg" alias="color 32"/>
     <ColorAlias name="meterstrip vu fg" alias="color 4"/>
-    <ColorAlias name="midi automation track fill" alias="color 94"/>
+    <ColorAlias name="midi automation track fill" alias="color 58"/>
     <ColorAlias name="midi bus base" alias="color 4"/>
     <ColorAlias name="midi device: fill" alias="color 25"/>
     <ColorAlias name="midi device: fill active" alias="color 42"/>
@@ -369,7 +369,6 @@
     <ColorAlias name="recording rect" alias="color 86"/>
     <ColorAlias name="recording waveform fill" alias="color 13"/>
     <ColorAlias name="recording waveform outline" alias="color 43"/>
-    <ColorAlias name="time axis view item base" alias="color 94"/>
     <ColorAlias name="region list automatic" alias="color 53"/>
     <ColorAlias name="region list missing source" alias="color 9"/>
     <ColorAlias name="region list whole file" alias="color 1"/>
@@ -438,6 +437,7 @@
     <ColorAlias name="tempo bar" alias="color 46"/>
     <ColorAlias name="tempo marker" alias="color 19"/>
     <ColorAlias name="time axis frame" alias="color 4"/>
+    <ColorAlias name="time axis view item base" alias="color 94"/>
     <ColorAlias name="time stretch fill" alias="color 26"/>
     <ColorAlias name="time stretch outline" alias="color 94"/>
     <ColorAlias name="tracknumber label: fill" alias="color 34"/>
@@ -476,15 +476,16 @@
     <ColorAlias name="zoom button: led active" alias="color 8"/>
   </ColorAliases>
   <Modifiers>
-    <Modifier name="audio bus base" modifier="= alpha:0.4078"/>
-    <Modifier name="audio track base" modifier="= alpha:0.4078"/>
-    <Modifier name="automation track fill" modifier="= alpha:0.326156"/>
+    <Modifier name="audio bus base" modifier="= alpha:0.3"/>
+    <Modifier name="audio track base" modifier="= alpha:0.3"/>
+    <Modifier name="automation track fill" modifier="= alpha:0.3"/>
+    <Modifier name="covered region base" modifier="= alpha:0.7"/>
     <Modifier name="crossfade alpha" modifier="= alpha:0.1803"/>
     <Modifier name="dragging region" modifier="= alpha:0.9"/>
     <Modifier name="editable region" modifier="= alpha:0.1"/>
     <Modifier name="gain line inactive" modifier="= alpha:0.7725"/>
     <Modifier name="ghost track base" modifier="= alpha:0.640782"/>
-    <Modifier name="ghost track midi fill" modifier="= alpha:0.228968"/>
+    <Modifier name="ghost track midi fill" modifier="= alpha:0.3"/>
     <Modifier name="inactive crossfade" modifier="= alpha:0.4666"/>
     <Modifier name="loop rectangle" modifier="= alpha:0.9764"/>
     <Modifier name="measure line beat" modifier="= alpha:0.8"/>
@@ -493,21 +494,20 @@
     <Modifier name="midi note velocity text" modifier="= alpha:0.4666"/>
     <Modifier name="midi patch change fill" modifier="= alpha:0.6274"/>
     <Modifier name="midi sysex fill" modifier="= alpha:0.4666"/>
-    <Modifier name="midi track base" modifier="= alpha:0.3725"/>
+    <Modifier name="midi track base" modifier="= alpha:0.3"/>
     <Modifier name="mono panner position fill" modifier="= alpha:0.8"/>
-    <Modifier name="panner fill" modifier="= alpha:0.7882"/>
-    <Modifier name="piano roll black" modifier="= alpha:0.331098"/>
-    <Modifier name="piano roll white" modifier="= alpha:0.4627"/>
-    <Modifier name="recording rect" modifier="= alpha:0.25"/>
-    <Modifier name="time axis view item base" modifier="= alpha:0.7"/>
-    <Modifier name="covered region base" modifier="= alpha:0.7"/>
     <Modifier name="opaque region base" modifier="= alpha:0.7"/>
-    <Modifier name="transparent region base" modifier="= alpha:0.50"/>
+    <Modifier name="panner fill" modifier="= alpha:0.7882"/>
+    <Modifier name="piano roll black" modifier="= alpha:0.2"/>
+    <Modifier name="piano roll white" modifier="= alpha:0.2"/>
+    <Modifier name="recording rect" modifier="= alpha:0.25"/>
     <Modifier name="selected midi note" modifier="= alpha:0.7529"/>
     <Modifier name="selection rect" modifier="= alpha:0.4666"/>
     <Modifier name="silence" modifier="= alpha:0.4784"/>
     <Modifier name="stereo panner inverted" modifier="= alpha:0.7882"/>
     <Modifier name="stereo panner inverted bg" modifier="= alpha:0.7529"/>
+    <Modifier name="time axis view item base" modifier="= alpha:0.7"/>
+    <Modifier name="transparent region base" modifier="= alpha:0.5"/>
     <Modifier name="verbose canvas cursor" modifier="= alpha:0.4666"/>
   </Modifiers>
 </Ardour>