diff --git a/gtk2_ardour/themes/dark-livetrax.colors b/gtk2_ardour/themes/dark-livetrax.colors
index 402bf75a2f..974c3015fc 100644
--- a/gtk2_ardour/themes/dark-livetrax.colors
+++ b/gtk2_ardour/themes/dark-livetrax.colors
@@ -33,7 +33,7 @@
     <Color name="widget:gray" value="595755ff"/>
     <Color name="widget:green" value="617552ff"/>
     <Color name="widget:green darker" value="3C403AFF"/>
-    <Color name="widget:orange" value="B2320Bff"/>
+    <Color name="widget:orange" value="C4915Cff"/>
     <Color name="widget:vu bg" value="ADA87Aff"/>
     <Color name="widget:glow" value="FFB66Aff"/>
     <Color name="widget:playhead" value="e58b05ff"/>
@@ -59,7 +59,7 @@
   <ColorAliases>
     <ColorAlias name="active crossfade" alias="neutral:foreground"/>
     <ColorAlias name="arrange base" alias="theme:bg"/>
-    <ColorAlias name="arrangement marker bar" alias="neutral:background2"/>
+    <ColorAlias name="arrangement marker bar" alias="neutral:background"/>
     <ColorAlias name="arrangement rect" alias="widget:blue"/>
     <ColorAlias name="arrangement rect alt" alias="widget:blue darker"/>
     <ColorAlias name="audio automation track fill" alias="theme:bg"/>
@@ -136,7 +136,7 @@
     <ColorAlias name="gtk_audio_track" alias="theme:bg1"/>
     <ColorAlias name="gtk_automation_track_header" alias="theme:bg"/>
     <ColorAlias name="gtk_background" alias="theme:bg"/>
-    <ColorAlias name="gtk_bases" alias="theme:bg2"/>
+    <ColorAlias name="gtk_bases" alias="neutral:background"/>
     <ColorAlias name="gtk_bg_selected" alias="theme:contrasting selection"/>
     <ColorAlias name="gtk_bg_tooltip" alias="neutral:backgroundest"/>
     <ColorAlias name="gtk_bright_color" alias="widget:blue"/>
@@ -173,11 +173,11 @@
     <ColorAlias name="gtk_somewhat_bright_indicator" alias="theme:contrasting less"/>
     <ColorAlias name="gtk_texts" alias="neutral:foreground"/>
     <ColorAlias name="gtk_track_header_inactive" alias="theme:bg"/>
-    <ColorAlias name="gtk_track_header_selected" alias="widget:ruddy"/>
+    <ColorAlias name="gtk_track_header_selected" alias="widget:orange"/>
     <ColorAlias name="image track" alias="neutral:foreground2"/>
     <ColorAlias name="inactive crossfade" alias="theme:contrast"/>
     <ColorAlias name="inactive fade handle" alias="neutral:foreground2"/>
-    <ColorAlias name="inactive group tab" alias="theme:bg"/>
+    <ColorAlias name="inactive group tab" alias="widget:bg"/>
     <ColorAlias name="invert button: fill" alias="widget:bg"/>
     <ColorAlias name="invert button: fill active" alias="alert:blue"/>
     <ColorAlias name="invert button: led active" alias="alert:green"/>
@@ -383,7 +383,7 @@
     <ColorAlias name="rude solo: fill" alias="widget:bg"/>
     <ColorAlias name="rude solo: fill active" alias="alert:ruddy"/>
     <ColorAlias name="rude solo: led active" alias="alert:red"/>
-    <ColorAlias name="ruler base" alias="neutral:backgroundest"/>
+    <ColorAlias name="ruler base" alias="neutral:background"/>
     <ColorAlias name="ruler text" alias="neutral:midground"/>
     <ColorAlias name="scene marker bar" alias="neutral:background2"/>
     <ColorAlias name="scroomer" alias="alert:red"/>
@@ -396,16 +396,16 @@
     <ColorAlias name="secondary delta clock: edited text" alias="theme:contrasting less"/>
     <ColorAlias name="secondary delta clock: text" alias="theme:contrasting less"/>
     <ColorAlias name="selected midi note frame" alias="alert:ruddy"/>
-    <ColorAlias name="selected region base" alias="alert:ruddy"/>
-    <ColorAlias name="selected time axis frame" alias="alert:ruddy"/>
+    <ColorAlias name="selected region base" alias="widget:orange"/>
+    <ColorAlias name="selected time axis frame" alias="widget:orange"/>
     <ColorAlias name="selected waveform fill" alias="alert:orange"/>
     <ColorAlias name="selected waveform outline" alias="theme:bg2"/>
-    <ColorAlias name="selection" alias="alert:red"/>
+    <ColorAlias name="selection" alias="alert:orange"/>
     <ColorAlias name="selection clock: background" alias="theme:bg2"/>
     <ColorAlias name="selection clock: cursor" alias="alert:ruddy"/>
     <ColorAlias name="selection clock: edited text" alias="alert:ruddy"/>
     <ColorAlias name="selection clock: text" alias="theme:contrasting clock"/>
-    <ColorAlias name="selection rect" alias="alert:red"/>
+    <ColorAlias name="selection rect" alias="alert:orange"/>
     <ColorAlias name="send alert button: fill" alias="theme:contrasting selection"/>
     <ColorAlias name="send alert button: fill active" alias="alert:cyan"/>
     <ColorAlias name="send alert button: led active" alias="alert:red"/>
@@ -512,7 +512,7 @@
     <Modifier name="ghost track midi fill" modifier="= alpha:0.3"/>
     <Modifier name="inactive crossfade" modifier="= alpha:0.4666"/>
     <Modifier name="loop rectangle" modifier="= alpha:0.5"/>
-    <Modifier name="marker bar" modifier="= alpha:0.9"/>
+    <Modifier name="marker bar" modifier="= alpha:1.0"/>
     <Modifier name="grid line" modifier="= alpha:1.0"/>
     <Modifier name="midi note" modifier="= alpha:0.8"/>
     <Modifier name="midi note velocity text" modifier="= alpha:0.4666"/>