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 #28C8C8 is the color #C82828

The HSL model was used to determine the complementary color

Input Color

HEX #28C8C8
RGB 40, 200, 200
CMYK 80%, 0%, 0%, 22%
HSL 180°, 66.67%, 47.06%

Complementary Color

HEX #C82828
RGB 200, 40, 40
CMYK 0%, 80%, 80%, 22%
HSL 0°, 66.67%, 47.06%

Complementary color scheme

#C82828

#C8C828

#28C828

#28C8C8

#2828C8