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 #FF4242 is the color #42FFFF

The HSL model was used to determine the complementary color

Input Color


HEX #FF4242
RGB 255, 66, 66
CMYK 0%, 74%, 74%, 0%
HSL 0°, 100%, 62.94%

Complementary Color


HEX #42FFFF
RGB 66, 255, 255
CMYK 74%, 0%, 0%, 0%
HSL 180°, 100%, 62.94%

Complementary color scheme

#42FFFF
#4242FF
#FF42FF
#FF4242
#FFFF42