diff --git a/gtk2_ardour/ardour3_ui_default.conf b/gtk2_ardour/ardour3_ui_default.conf
index 94a2b62830..bfe468e688 100644
--- a/gtk2_ardour/ardour3_ui_default.conf
+++ b/gtk2_ardour/ardour3_ui_default.conf
@@ -7,7 +7,7 @@
     <Option name="automation line" value="44bc59ff"/>
     <Option name="automation track fill" value="a0a0ce68"/>
     <Option name="automation track outline" value="282828ff"/>
-    <Option name="cd marker bar" value="9496a3a0"/>
+    <Option name="cd marker bar" value="9496a3ff"/>
     <Option name="clipped waveform" value="ff0000e5"/>
     <Option name="control point fill" value="ffffff66"/>
     <Option name="control point outline" value="ffffffaa"/>
@@ -43,14 +43,14 @@
     <Option name="location marker" value="c4f411ff"/>
     <Option name="location punch" value="7c3a3aff"/>
     <Option name="location range" value="497a59ff"/>
-    <Option name="marker bar separator" value="aaaaaa77"/>
-    <Option name="marker bar" value="99a1ada0"/>
+    <Option name="marker bar separator" value="aaaaaaff"/>
+    <Option name="marker bar" value="99a1adff"/>
     <Option name="marker drag line" value="004f00f9"/>
     <Option name="marker label" value="000000ff"/>
     <Option name="marker track" value="ddddd8ff"/>
     <Option name="measure line bar" value="d7d9d99c"/>
     <Option name="measure line beat" value="b5b5b576"/>
-    <Option name="meter bar" value="626470a0"/>
+    <Option name="meter bar" value="626470ff"/>
     <Option name="meter fill clip" value="ff0000ff"/>
     <Option name="meter fill max" value="00fd5dff"/>
     <Option name="meter fill mid" value="73f9baff"/>
@@ -81,7 +81,7 @@
     <Option name="punch line" value="a80000ff"/>
     <Option name="range drag bar rect" value="969696c6"/>
     <Option name="range drag rect" value="82c696c6"/>
-    <Option name="range marker bar" value="7d7f8ca0"/>
+    <Option name="range marker bar" value="7d7f8cff"/>
     <Option name="recorded waveform fill" value="3d4763dc"/>
     <Option name="recorded waveform outline" value="0f0f1fc8"/>
     <Option name="recording rect" value="e5c6c6ff"/>
@@ -95,14 +95,14 @@
     <Option name="selected waveform outline" value="0f0f0fcc"/>
     <Option name="selection rect" value="e8f4d377"/>
     <Option name="selection" value="636363b2"/>
-    <Option name="tempo bar" value="70727fa0"/>
+    <Option name="tempo bar" value="70727fff"/>
     <Option name="tempo marker" value="f2425bff"/>
     <Option name="time axis frame" value="000000ff"/>
     <Option name="time stretch fill" value="e2b5b596"/>
     <Option name="time stretch outline" value="63636396"/>
     <Option name="transport drag rect" value="969696c6"/>
     <Option name="transport loop rect" value="1e7728f9"/>
-    <Option name="transport marker bar" value="8c8e98a0"/>
+    <Option name="transport marker bar" value="8c8e98ff"/>
     <Option name="transport punch rect" value="6d2828e5"/>
     <Option name="trim handle locked" value="ea0f0f28"/>
     <Option name="trim handle" value="1900ff44"/>