Orange is the CSS named color #FFA500 — rgb(255, 165, 0), hsl(39, 100%, 50%). Its relative luminance is 0.482, giving 1.97:1 against white and 10.63:1 against black, so it works as a text color on black.
| HEX | #FFA500 |
|---|---|
| RGB | rgb(255, 165, 0) |
| HSL | hsl(39, 100%, 50%) |
| Relative luminance | 0.4817 |
| Contrast on white | 1.97:1 AA fail |
| Contrast on black | 10.63:1 AA pass |
Built by mixing orange 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.
orange is #FFA500, which is rgb(255, 165, 0) and hsl(39, 100%, 50%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Orange has a relative luminance of 0.482 on a 0–1 scale, so it is a dark color. Against white it scores 1.97:1; against black, 10.63:1.
orange reaches 10.63:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.