diff --git a/libgimpwidgets/gimpcolorscale.c b/libgimpwidgets/gimpcolorscale.c
index e9ad36a5ad..52ca7d5e7a 100644
--- a/libgimpwidgets/gimpcolorscale.c
+++ b/libgimpwidgets/gimpcolorscale.c
@@ -833,7 +833,7 @@ gimp_color_scale_render (GimpColorScale *scale)
       from_lch = TRUE;
       break;
     case GIMP_COLOR_SELECTOR_LCH_CHROMA:
-      multiplier = 100;
+      multiplier = 200;
       from_lch = TRUE;
       break;
     case GIMP_COLOR_SELECTOR_LCH_HUE:
diff --git a/libgimpwidgets/gimpcolorscales.c b/libgimpwidgets/gimpcolorscales.c
index 5e16e3ebe0..77b523cfe2 100644
--- a/libgimpwidgets/gimpcolorscales.c
+++ b/libgimpwidgets/gimpcolorscales.c
@@ -151,7 +151,7 @@ gimp_color_scales_init (GimpColorScales *scales)
   static const gdouble slider_min_vals[] =
     {   0,   0,   0,      0,    0,    0,   0,     0,   0,   0 };
   static const gdouble slider_max_vals[] =
-    { 360, 100, 100,    100,  100,  100, 100,   100, 100, 360 };
+    { 360, 100, 100,    100,  100,  100, 100,   100, 200, 360 };
   static const gdouble slider_incs[] =
     {  30,  10,  10,     16,   16,   16,  10,    10,  10,  30 };
 
diff --git a/libgimpwidgets/gimpcolorselect.c b/libgimpwidgets/gimpcolorselect.c
index 99e5d5fb60..5eb439bc14 100644
--- a/libgimpwidgets/gimpcolorselect.c
+++ b/libgimpwidgets/gimpcolorselect.c
@@ -691,16 +691,16 @@ gimp_color_select_update_values (GimpColorSelect *select)
 
     case COLOR_SELECT_LCH_LIGHTNESS:
       lch.h = select->pos[0] * 360;
-      lch.c = select->pos[1] * 100;
+      lch.c = select->pos[1] * 200;
       lch.l = select->pos[2] * 100;
       break;
     case COLOR_SELECT_LCH_CHROMA:
       lch.h = select->pos[0] * 360;
       lch.l = select->pos[1] * 100;
-      lch.c = select->pos[2] * 100;
+      lch.c = select->pos[2] * 200;
       break;
     case COLOR_SELECT_LCH_HUE:
-      lch.c = select->pos[0] * 100;
+      lch.c = select->pos[0] * 200;
       lch.l = select->pos[1] * 100;
       lch.h = select->pos[2] * 360;
       break;
@@ -779,16 +779,16 @@ gimp_color_select_update_pos (GimpColorSelect *select)
 
     case COLOR_SELECT_LCH_LIGHTNESS:
       select->pos[0] = CLAMP (lch.h / 360, 0.0, 1.0);
-      select->pos[1] = CLAMP (lch.c / 100, 0.0, 1.0);
+      select->pos[1] = CLAMP (lch.c / 200, 0.0, 1.0);
       select->pos[2] = CLAMP (lch.l / 100, 0.0, 1.0);
       break;
     case COLOR_SELECT_LCH_CHROMA:
       select->pos[0] = CLAMP (lch.h / 360, 0.0, 1.0);
       select->pos[1] = CLAMP (lch.l / 100, 0.0, 1.0);
-      select->pos[2] = CLAMP (lch.c / 100, 0.0, 1.0);
+      select->pos[2] = CLAMP (lch.c / 200, 0.0, 1.0);
       break;
     case COLOR_SELECT_LCH_HUE:
-      select->pos[0] = CLAMP (lch.c / 100, 0.0, 1.0);
+      select->pos[0] = CLAMP (lch.c / 200, 0.0, 1.0);
       select->pos[1] = CLAMP (lch.l / 100, 0.0, 1.0);
       select->pos[2] = CLAMP (lch.h / 360, 0.0, 1.0);
       break;
@@ -1432,7 +1432,7 @@ color_select_render_lch_chroma (ColorSelectFill *csf)
   guchar   rgb[3];
   gint     i;
 
-  lch.c = (csf->height - 1 - csf->y) * 100.0 / csf->height ;
+  lch.c = (csf->height - 1 - csf->y) * 200.0 / csf->height ;
   babl_process (fish_lch_to_rgb_u8, &lch, &rgb, 1);
 
   for (i = 0; i < csf->width; i++)
@@ -1821,7 +1821,7 @@ color_select_render_lch_chroma_lightness (ColorSelectFill *csf)
     {
       GimpRGB rgb;
 
-      lch.c = i * 100.0 / csf->width;
+      lch.c = i * 200.0 / csf->width;
 
       babl_process (fish_lch_to_rgb, &lch, &rgb, 1);
 
@@ -1885,7 +1885,7 @@ color_select_render_lch_hue_chroma (ColorSelectFill *csf)
   gint     i;
 
   lch.l = csf->lch.l;
-  lch.c = (csf->height - 1 - csf->y) * 100.0 / csf->height;
+  lch.c = (csf->height - 1 - csf->y) * 200.0 / csf->height;
 
   for (i = 0; i < csf->width; i++)
     {