Dark Olive Green is the CSS named color #556B2F — rgb(85, 107, 47), hsl(82, 39%, 30%). Its relative luminance is 0.127, giving 5.95:1 against white and 3.53:1 against black, so it works as a text color on white.
| HEX | #556B2F |
|---|---|
| RGB | rgb(85, 107, 47) |
| HSL | hsl(82, 39%, 30%) |
| Relative luminance | 0.1265 |
| Contrast on white | 5.95:1 AA pass |
| Contrast on black | 3.53:1 large text only |
Built by mixing darkolivegreen 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.
darkolivegreen is #556B2F, which is rgb(85, 107, 47) and hsl(82, 39%, 30%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Dark Olive Green has a relative luminance of 0.127 on a 0–1 scale, so it is a dark color. Against white it scores 5.95:1; against black, 3.53:1.
darkolivegreen reaches 5.95:1 against white, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.