diff --git a/rtgui/labcurve.cc b/rtgui/labcurve.cc
index 6cbf11825..ae5774960 100644
--- a/rtgui/labcurve.cc
+++ b/rtgui/labcurve.cc
@@ -578,7 +578,7 @@ void LCurve::colorForValue (double valX, double valY, enum ColorCaller::ElemType
         float value = (1.f - 0.7f) * float(valX) + 0.7f;
         // whole hue range
         // Y axis / from 0.15 up to 0.75 (arbitrary values; was 0.45 before)
-        Color::hsv2rgb01(float(valY), float(valX), value, R, G, B);
+        Color::hsv2rgb01(float(valY*0.8), float(valX), value, R, G, B);
     } else if (callerId == 6) {  // cc - left bar
 
         float value = (1.f - 0.7f) * float(valX) + 0.7f;
@@ -613,7 +613,7 @@ void LCurve::colorForValue (double valX, double valY, enum ColorCaller::ElemType
         } else {
             // whole hue range
             // Y axis / from 0.15 up to 0.75 (arbitrary values; was 0.45 before)
-            Color::hsv2rgb01(float(valY), float(valX), value, R, G, B);
+            Color::hsv2rgb01(float(valY*0.8), float(valX), value, R, G, B);
         }
     } else if (callerId == 4) {  // LH - bottom bar
         Color::hsv2rgb01(float(valX), 0.5f, float(valY), R, G, B);
@@ -632,7 +632,7 @@ void LCurve::colorForValue (double valX, double valY, enum ColorCaller::ElemType
         float value = (1.f - 0.7f) * float(valX) + 0.7f;
         // whole hue range
         // Y axis / from 0.15 up to 0.75 (arbitrary values; was 0.45 before)
-        Color::hsv2rgb01(float(valY), 1.f - float(valX), value, R, G, B);
+        Color::hsv2rgb01(float(valY*0.8), 1.f - float(valX), value, R, G, B);
     }
 
     caller->ccRed = double(R);