diff --git a/app/ui/colorcoding.cpp b/app/ui/colorcoding.cpp
index e989db6c9..4449cdac0 100644
--- a/app/ui/colorcoding.cpp
+++ b/app/ui/colorcoding.cpp
@@ -89,7 +89,7 @@ Color ColorCoding::GetColor(int c)
 
 Qt::GlobalColor ColorCoding::GetUISelectorColor(const Color &c)
 {
-  if (c.GetRoughLuminance() > 0.66) {
+  if (c.GetRoughLuminance() > 0.40) {
     return Qt::black;
   } else {
     return Qt::white;