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 #ED121C is the color #12EDE2

The HSL model was used to determine the complementary color

Input Color


HEX #ED121C
RGB 237, 18, 28
CMYK 0%, 92%, 88%, 7%
HSL 357.26°, 85.88%, 50%

Complementary Color


HEX #12EDE2
RGB 18, 237, 226
CMYK 92%, 0%, 5%, 7%
HSL 176.99°, 85.88%, 50%

Complementary color scheme

#12EDE2
#121DED
#E212ED
#ED121D
#EDE212