Light Cyan is the CSS named color #E0FFFF — rgb(224, 255, 255), hsl(180, 100%, 94%). Its relative luminance is 0.946, giving 1.05:1 against white and 19.92:1 against black, so it works as a text color on black.
| HEX | #E0FFFF |
|---|---|
| RGB | rgb(224, 255, 255) |
| HSL | hsl(180, 100%, 94%) |
| Relative luminance | 0.9459 |
| Contrast on white | 1.05:1 AA fail |
| Contrast on black | 19.92:1 AA pass |
Built by mixing lightcyan 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.
lightcyan is #E0FFFF, which is rgb(224, 255, 255) and hsl(180, 100%, 94%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Light Cyan has a relative luminance of 0.946 on a 0–1 scale, so it is a light color. Against white it scores 1.05:1; against black, 19.92:1.
lightcyan reaches 19.92:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.