Charcoal
#28310C · Charcoal
#28310C is Charcoal, a warm green color. It has an RGB value of 40, 49, 12 and a relative luminance of 0.027, making it a dark surface.
Temperature
☀ Warm
Hue family
green
Luminance
0.03
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
13.68:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.53:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #28310C?
#28310C is Charcoal, a warm green color. In RGB it is 40, 49, 12, and in HSL it is 75°, 61%, 12%.
Is #28310C a light or dark color?
#28310C has a relative luminance of 0.027, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #28310C?
Its complementary color is #150C31. For softer combinations, try the analogous or split-complementary harmonies shown above.