Charcoal
#28300D · Charcoal
#28300D is Charcoal, a warm green color. It has an RGB value of 40, 48, 13 and a relative luminance of 0.026, 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
13.83:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.52:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #28300D?
#28300D is Charcoal, a warm green color. In RGB it is 40, 48, 13, and in HSL it is 74°, 57%, 12%.
Is #28300D a light or dark color?
#28300D has a relative luminance of 0.026, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #28300D?
Its complementary color is #150D30. For softer combinations, try the analogous or split-complementary harmonies shown above.