CSS notation

Use this for all CSS properties that accept a color as a value: color, background-color, border-color
#a9a9a9
rgb(169,169,169)
hsl(0, 0%, 66%)
DarkGray

Color spaces

Names and values for each color representation
HSL
Hue
Saturation0%
Lightness66.27%
HSV / HSB
Hue
Saturation0%
Value / Brightness66.27%
RGB
Red66.27%
Green66.27%
Blue66.27%
CMYK
Cyan0%
Magenta0%
Yellow0%
Black33.73%
YCbCr
Y0.66
Cb0
Cr0

Nearest Colors Name

Most similar colors in standard

Tints, Shades, and Tones

Tints of color #a9a9a9

Tints

A tint is obtained by adding white to a color. This process reduces darkness.
Shades of color #a9a9a9

Shades

A shade is obtained by adding black to a color. This process increases darkness.