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 #21CDBB is the color #CD2135

The HSL model was used to determine the complementary color

Input Color

HEX #21CDBB
RGB 33, 205, 187
CMYK 84%, 0%, 9%, 20%
HSL 173.72°, 72.27%, 46.67%

Complementary Color

HEX #CD2135
RGB 205, 33, 53
CMYK 0%, 84%, 74%, 20%
HSL 353.02°, 72.27%, 46.67%

Complementary color scheme

#CD2135

#CDB921

#35CD21

#21CDB9

#2135CD