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 #B1B1B1 is the color #4E4E4E

The RGB model was used to determine the complementary color

Input Color


HEX #B1B1B1
RGB 177, 177, 177
CMYK 0%, 0%, 0%, 31%
HSL 0°, 0%, 69.41%

Complementary Color


HEX #4E4E4E
RGB 78, 78, 78
CMYK 0%, 0%, 0%, 69%
HSL 0°, 0%, 30.59%

Possible color scheme

#4E4E4E
#8D8D8D
#B1B1B1
#B1B1FF
#B1FFB1
#FFB1B1
#FFFF3E