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 #21CDB8 is the color #CD2138

The HSL model was used to determine the complementary color

Input Color

HEX #21CDB8
RGB 33, 205, 184
CMYK 84%, 0%, 10%, 20%
HSL 172.67°, 72.27%, 46.67%

Complementary Color

HEX #CD2138
RGB 205, 33, 56
CMYK 0%, 84%, 73%, 20%
HSL 351.98°, 72.27%, 46.67%

Complementary color scheme

#CD2138

#CDB621

#38CD21

#21CDB6

#2138CD