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 #145B5B is the color #5B1414

The HSL model was used to determine the complementary color

Input Color

HEX #145B5B
RGB 20, 91, 91
CMYK 78%, 0%, 0%, 64%
HSL 180°, 63.96%, 21.76%

Complementary Color

HEX #5B1414
RGB 91, 20, 20
CMYK 0%, 78%, 78%, 64%
HSL 0°, 63.96%, 21.76%

Complementary color scheme

#5B1414

#5B5B14

#145B14

#145B5B

#14145B