How to determine complementary colors?
What are the different color models?

Determine Complementary Color

140 color names
216 web safe colors
2040 RAL colors
200 shades of gray

The complementary color of #666456 is the color #565866

The HSL model was used to determine the complementary color

Input Color


HEX #666456
RGB 102, 100, 86
CMYK 0%, 2%, 16%, 60%
HSL 52.5°, 8.51%, 36.86%

Complementary Color


HEX #565866
RGB 86, 88, 102
CMYK 16%, 14%, 0%, 60%
HSL 232.5°, 8.51%, 36.86%

Complementary color scheme

#565866
#645666
#665658
#666456
#586656