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 #378000 is the color #490080

The HSL model was used to determine the complementary color

Input Color


HEX #378000
RGB 55, 128, 0
CMYK 57%, 0%, 100%, 50%
HSL 94.22°, 100%, 25.1%

Complementary Color


HEX #490080
RGB 73, 0, 128
CMYK 43%, 100%, 0%, 50%
HSL 274.22°, 100%, 25.1%

Complementary color scheme

#490080
#800037
#804900
#378000
#008049