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 #5B5B5B is the color #A4A4A4

The RGB model was used to determine the complementary color

Input Color

HEX #5B5B5B
RGB 91, 91, 91
CMYK 0%, 0%, 0%, 64%
HSL 0°, 0%, 35.69%

Complementary Color

HEX #A4A4A4
RGB 164, 164, 164
CMYK 0%, 0%, 0%, 36%
HSL 0°, 0%, 64.31%

Possible color scheme

#5B5B5B

#5B5BFF

#5BFF5B

#949494

#A4A4A4

#FF5B5B

#FFFF83