Aquamarine is the CSS named color #7FFFD4 — rgb(127, 255, 212), hsl(160, 100%, 75%). Its relative luminance is 0.808, giving 1.22:1 against white and 17.16:1 against black, so it works as a text color on black.
| HEX | #7FFFD4 |
|---|---|
| RGB | rgb(127, 255, 212) |
| HSL | hsl(160, 100%, 75%) |
| Relative luminance | 0.8079 |
| Contrast on white | 1.22:1 AA fail |
| Contrast on black | 17.16:1 AA pass |
Built by mixing aquamarine 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.
aquamarine is #7FFFD4, which is rgb(127, 255, 212) and hsl(160, 100%, 75%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Aquamarine has a relative luminance of 0.808 on a 0–1 scale, so it is a light color. Against white it scores 1.22:1; against black, 17.16:1.
aquamarine reaches 17.16:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.