diff --git a/gtk2_ardour/ardour3_ui_default.conf b/gtk2_ardour/ardour3_ui_default.conf
index 0cdf195798..663c153c4f 100644
--- a/gtk2_ardour/ardour3_ui_default.conf
+++ b/gtk2_ardour/ardour3_ui_default.conf
@@ -48,8 +48,8 @@
     <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="measure line bar" value="ffffff9c"/>
+    <Option name="measure line beat" value="a29e9e76"/>
     <Option name="meter bar" value="626470ff"/>
     <Option name="meter fill min" value="0000ffff"/>
     <Option name="meter fill clip" value="ff0000ff"/>