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 #66716D is the color #71666A

The HSL model was used to determine the complementary color

Input Color

HEX #66716D
RGB 102, 113, 109
CMYK 10%, 0%, 4%, 56%
HSL 158.18°, 5.12%, 42.16%

Complementary Color

HEX #71666A
RGB 113, 102, 106
CMYK 0%, 10%, 6%, 56%
HSL 338.18°, 5.12%, 42.16%

Complementary color scheme

#71666A

#716D66

#6A7166

#66716D

#666A71