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 #155B73 is the color #732D15

The HSL model was used to determine the complementary color

Input Color


HEX #155B73
RGB 21, 91, 115
CMYK 82%, 21%, 0%, 55%
HSL 195.32°, 69.12%, 26.67%

Complementary Color


HEX #732D15
RGB 115, 45, 21
CMYK 0%, 61%, 82%, 55%
HSL 15.32°, 69.12%, 26.67%

Complementary color scheme

#732D15
#5C7315
#15732D
#155C73
#2D1573