Forest Green is the CSS named color #228B22 — rgb(34, 139, 34), hsl(120, 61%, 34%). Its relative luminance is 0.189, giving 4.39:1 against white and 4.78:1 against black, so it works as a text color on black.
| HEX | #228B22 |
|---|---|
| RGB | rgb(34, 139, 34) |
| HSL | hsl(120, 61%, 34%) |
| Relative luminance | 0.1892 |
| Contrast on white | 4.39:1 large text only |
| Contrast on black | 4.78:1 AA pass |
Built by mixing forestgreen 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.
forestgreen is #228B22, which is rgb(34, 139, 34) and hsl(120, 61%, 34%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Forest Green has a relative luminance of 0.189 on a 0–1 scale, so it is a dark color. Against white it scores 4.39:1; against black, 4.78:1.
forestgreen reaches 4.78:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.