#808080

gray / grey

Color values Color notations — HEX (hexadecimal), RGB (light primaries), HSL (hue/saturation/lightness), CMYK (print inks, approximate).

HEX
#808080
RGB
rgb(128, 128, 128)
HSL
hsl(0, 0%, 50%)
OKLCH
oklch(60% 0 0)
CMYK
0% 0% 0% 50%
Relative luminance Relative luminance: a color's brightness from 0 (black) to 1 (white). It is used to compute WCAG contrast.
0.2159
Hue Hue: the kind of a color (red, orange, yellow…). We group the hue wheel into 12 sectors.
Achromatic
CSS color name
gray / grey

Contrast

Ratio Contrast ratio: the brightness difference between two colors, from 1:1 to 21:1. Higher is easier to read. APCA (Lc) APCA: a newer perceptual contrast measure from the WCAG 3 draft. Lc runs about 0–106; higher is easier to read. The sign shows polarity (dark text on light, or light on dark).
As background
White text 3.95:1 -72
Black text 5.32:1 37
As text
White background 3.95:1 67
Black background 5.32:1 -35

Color harmonies

Tone scale Tone scale: five steps that keep the hue but vary the lightness.

Shades & tints Shades & tints: lighter steps mixed toward white (tints) and darker steps mixed toward black (shades).

Impressions Impression: a tag for the mood a color evokes — warm, calm, vivid and so on.

Usage preview

As background (black text)

Ratio 5.32:1 APCA (Lc) 37

As background (white text)

Ratio 3.95:1 APCA (Lc) -72

As text (white background)

Ratio 3.95:1 APCA (Lc) 67

As text (black background)

Ratio 5.32:1 APCA (Lc) -35