Stone
#818B8D · Stone
#818B8D is Stone, a neutral neutral color. It has an RGB value of 129, 139, 141 and a relative luminance of 0.251, making it a dark surface.
Temperature
◎ Neutral
Hue family
neutral
Luminance
0.25
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
3.49:1
AA normal✕
AA large✓
AAA normal✕
On black
The quick fox
6.01:1
AA normal✓
AA large✓
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #818B8D?
#818B8D is Stone, a neutral neutral color. In RGB it is 129, 139, 141, and in HSL it is 190°, 5%, 53%.
Is #818B8D a light or dark color?
#818B8D has a relative luminance of 0.251, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #818B8D?
Its complementary color is #8D8381. For softer combinations, try the analogous or split-complementary harmonies shown above.