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 #81939D is the color #9D8B81

The HSL model was used to determine the complementary color

Input Color

HEX #81939D
RGB 129, 147, 157
CMYK 18%, 6%, 0%, 38%
HSL 201.43°, 12.5%, 56.08%

Complementary Color

HEX #9D8B81
RGB 157, 139, 129
CMYK 0%, 11%, 18%, 38%
HSL 21.43°, 12.5%, 56.08%

Complementary color scheme

#9D8B81

#939D81

#819D8B

#81939D

#8B819D