Light Green is the CSS named color #90EE90 — rgb(144, 238, 144), hsl(120, 73%, 75%). Its relative luminance is 0.691, giving 1.42:1 against white and 14.82:1 against black, so it works as a text color on black.
| HEX | #90EE90 |
|---|---|
| RGB | rgb(144, 238, 144) |
| HSL | hsl(120, 73%, 75%) |
| Relative luminance | 0.6909 |
| Contrast on white | 1.42:1 AA fail |
| Contrast on black | 14.82:1 AA pass |
Built by mixing lightgreen 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.
lightgreen is #90EE90, which is rgb(144, 238, 144) and hsl(120, 73%, 75%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Light Green has a relative luminance of 0.691 on a 0–1 scale, so it is a light color. Against white it scores 1.42:1; against black, 14.82:1.
lightgreen reaches 14.82:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.