Fixing hsv_to_rgb where s = 0 and v < 255 (#5915)

* Fixing hsv to rgb where s is 0 and v is < 255

* Update color.c

1 files changed, 4 insertions, 0 deletions

diff --git a/quantum/color.c b/quantum/color.c
index 466e6edac..a309da379 100644
--- a/quantum/color.c
+++ b/quantum/color.c
@@ -27,9 +27,13 @@ RGB hsv_to_rgb( HSV hsv )
 
         if ( hsv.s == 0 )
         {
+#ifdef USE_CIE1931_CURVE
+                rgb.r = rgb.g = rgb.b = pgm_read_byte( &CIE1931_CURVE[hsv.v] );
+#else
                 rgb.r = hsv.v;
                 rgb.g = hsv.v;
                 rgb.b = hsv.v;
+#endif
                 return rgb;
         }