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 #181812 is the color #121218

The HSL model was used to determine the complementary color

Input Color


HEX #181812
RGB 24, 24, 18
CMYK 0%, 0%, 25%, 91%
HSL 60°, 14.29%, 8.24%

Complementary Color


HEX #121218
RGB 18, 18, 24
CMYK 25%, 25%, 0%, 91%
HSL 240°, 14.29%, 8.24%

Complementary color scheme

#121218
#181218
#181212
#181812
#121812