Green is the CSS named color #008000 — rgb(0, 128, 0), hsl(120, 100%, 25%). Its relative luminance is 0.154, giving 5.14:1 against white and 4.09:1 against black, so it works as a text color on white.
| HEX | #008000 |
|---|---|
| RGB | rgb(0, 128, 0) |
| HSL | hsl(120, 100%, 25%) |
| Relative luminance | 0.1544 |
| Contrast on white | 5.14:1 AA pass |
| Contrast on black | 4.09:1 large text only |
Built by mixing green toward white (four steps) and toward black (four steps) while keeping the hue. Use the shades generator for a different step count or to add harmony sets.
Closest by CIELAB distance (ΔE76). For perceptual matching in a design system, compare in OKLab before locking a token.
green is #008000, which is rgb(0, 128, 0) and hsl(120, 100%, 25%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Green has a relative luminance of 0.154 on a 0–1 scale, so it is a dark color. Against white it scores 5.14:1; against black, 4.09:1.
green reaches 5.14:1 against white, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.