Stone
#81818D · Stone
#81818D is Stone, a neutral neutral color. It has an RGB value of 129, 129, 141 and a relative luminance of 0.223, making it a dark surface.
Temperature
◎ Neutral
Hue family
neutral
Luminance
0.22
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
3.85:1
AA normal✕
AA large✓
AAA normal✕
On black
The quick fox
5.46:1
AA normal✓
AA large✓
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #81818D?
#81818D is Stone, a neutral neutral color. In RGB it is 129, 129, 141, and in HSL it is 240°, 5%, 53%.
Is #81818D a light or dark color?
#81818D has a relative luminance of 0.223, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #81818D?
Its complementary color is #8D8D81. For softer combinations, try the analogous or split-complementary harmonies shown above.