Orange Red is the CSS named color #FF4500 — rgb(255, 69, 0), hsl(16, 100%, 50%). Its relative luminance is 0.255, giving 3.44:1 against white and 6.10:1 against black, so it works as a text color on black.
| HEX | #FF4500 |
|---|---|
| RGB | rgb(255, 69, 0) |
| HSL | hsl(16, 100%, 50%) |
| Relative luminance | 0.2552 |
| Contrast on white | 3.44:1 large text only |
| Contrast on black | 6.10:1 AA pass |
Built by mixing orangered 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.
orangered is #FF4500, which is rgb(255, 69, 0) and hsl(16, 100%, 50%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Orange Red has a relative luminance of 0.255 on a 0–1 scale, so it is a dark color. Against white it scores 3.44:1; against black, 6.10:1.
orangered reaches 6.10:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.