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 #81BCFF is the color #FFC281

The HSL model was used to determine the complementary color

Input Color


HEX #81BCFF
RGB 129, 188, 255
CMYK 49%, 26%, 0%, 0%
HSL 211.9°, 100%, 75.29%

Complementary Color


HEX #FFC281
RGB 255, 194, 129
CMYK 0%, 24%, 49%, 0%
HSL 30.95°, 100%, 75.29%

Complementary color scheme

#FFC281
#BEFF81
#81FFC2
#81BEFF
#C281FF