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 #129999 is the color #991212

The HSL model was used to determine the complementary color

Input Color

HEX #129999
RGB 18, 153, 153
CMYK 88%, 0%, 0%, 40%
HSL 180°, 78.95%, 33.53%

Complementary Color

HEX #991212
RGB 153, 18, 18
CMYK 0%, 88%, 88%, 40%
HSL 0°, 78.95%, 33.53%

Complementary color scheme

#991212

#999912

#129912

#129999

#121299