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 #F81212 is the color #12F8F8

The HSL model was used to determine the complementary color

Input Color


HEX #F81212
RGB 248, 18, 18
CMYK 0%, 93%, 93%, 3%
HSL 0°, 94.26%, 52.16%

Complementary Color


HEX #12F8F8
RGB 18, 248, 248
CMYK 93%, 0%, 0%, 3%
HSL 180°, 94.26%, 52.16%

Complementary color scheme

#12F8F8
#1212F8
#F812F8
#F81212
#F8F812