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 #0A5555 is the color #550A0A

The HSL model was used to determine the complementary color

Input Color

HEX #0A5555
RGB 10, 85, 85
CMYK 88%, 0%, 0%, 67%
HSL 180°, 78.95%, 18.63%

Complementary Color

HEX #550A0A
RGB 85, 10, 10
CMYK 0%, 88%, 88%, 67%
HSL 0°, 78.95%, 18.63%

Complementary color scheme

#550A0A

#55550A

#0A550A

#0A5555

#0A0A55