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 #666C40 is the color #46406C

The HSL model was used to determine the complementary color

Input Color


HEX #666C40
RGB 102, 108, 64
CMYK 6%, 0%, 41%, 58%
HSL 68.18°, 25.58%, 33.73%

Complementary Color


HEX #46406C
RGB 70, 64, 108
CMYK 35%, 41%, 0%, 58%
HSL 248.18°, 25.58%, 33.73%

Complementary color scheme

#46406C
#6C4066
#6C4640
#666C40
#406C46