Dark Orange is the CSS named color #FF8C00 — rgb(255, 140, 0), hsl(33, 100%, 50%). Its relative luminance is 0.400, giving 2.33:1 against white and 9.00:1 against black, so it works as a text color on black.
| HEX | #FF8C00 |
|---|---|
| RGB | rgb(255, 140, 0) |
| HSL | hsl(33, 100%, 50%) |
| Relative luminance | 0.4002 |
| Contrast on white | 2.33:1 AA fail |
| Contrast on black | 9.00:1 AA pass |
Built by mixing darkorange 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.
darkorange is #FF8C00, which is rgb(255, 140, 0) and hsl(33, 100%, 50%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Dark Orange has a relative luminance of 0.400 on a 0–1 scale, so it is a dark color. Against white it scores 2.33:1; against black, 9.00:1.
darkorange reaches 9.00:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.