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 #CDCD51 is the color #5151CD

The HSL model was used to determine the complementary color

Input Color


HEX #CDCD51
RGB 205, 205, 81
CMYK 0%, 0%, 60%, 20%
HSL 60°, 55.36%, 56.08%

Complementary Color


HEX #5151CD
RGB 81, 81, 205
CMYK 60%, 60%, 0%, 20%
HSL 240°, 55.36%, 56.08%

Complementary color scheme

#5151CD
#CD51CD
#CD5151
#CDCD51
#51CD51