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 #40FDFF is the color #FF4040

The HSL model was used to determine the complementary color

Input Color


HEX #40FDFF
RGB 64, 253, 255
CMYK 75%, 1%, 0%, 0%
HSL 180.63°, 100%, 62.55%

Complementary Color


HEX #FF4040
RGB 255, 64, 64
CMYK 0%, 75%, 75%, 0%
HSL 0°, 100%, 62.55%

Complementary color scheme

#FF4040
#FFFF40
#40FF40
#40FFFF
#4040FF