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 #42EFFF is the color #FF5242

The HSL model was used to determine the complementary color

Input Color


HEX #42EFFF
RGB 66, 239, 255
CMYK 74%, 6%, 0%, 0%
HSL 185.08°, 100%, 62.94%

Complementary Color


HEX #FF5242
RGB 255, 82, 66
CMYK 0%, 68%, 74%, 0%
HSL 5.08°, 100%, 62.94%

Complementary color scheme

#FF5242
#EFFF42
#42FF52
#42EFFF
#5242FF