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 #5A6464 is the color #645A5A

The HSL model was used to determine the complementary color

Input Color

HEX #5A6464
RGB 90, 100, 100
CMYK 10%, 0%, 0%, 61%
HSL 180°, 5.26%, 37.25%

Complementary Color

HEX #645A5A
RGB 100, 90, 90
CMYK 0%, 10%, 10%, 61%
HSL 0°, 5.26%, 37.25%

Complementary color scheme

#645A5A

#64645A

#5A645A

#5A6464

#5A5A64