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Alit Erba

#90cd51
Notes

Alit Erba (#90CD51) is a true lime with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (90°, 55%, 56%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#90cd51
RGB
rgb(144, 205, 81)
HSL
hsl(90, 55%, 56%)
HWB
hwb(90 32% 20%)
OKLCH
oklch(78.1% 0.168 131.4)
P3
color(display-p3 0.6162 0.7974 0.3869)
HSV
hsv(90, 60%, 80%)
LAB
lab(76.18% -39.58 54.20)
LCH
lch(76.18% 67.12 126.14)
CMYK
cmyk(30%, 0%, 60%, 20%)

Etymology

Alit
adjective

Old English ā-lihtan, to alight — past-participle of alight. As a color modifier, alit implies a saturated-and-just-illuminated quality, the bright color of evening-streetlamp and Christmas-tree-light freshly-switched-on emission. Sits at the bright-and-warm end of the grid, parallel to aflame and aglow in usage.

Erba
noun

The Italian word for grass or herbs — used in erba luigia (lemon verbena) and erba cipollina (chives). Erba color refers to fresh-cut Tuscan lawn grass in May: a saturated, slightly cool yellow-green with the matte finish of fresh grass blades. The Italian cousin of meadow.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#90cd51
Original
#d5bf43
Protanopia
#cdba5a
Deuteranopia
#92c5b3
Tritanopia
#b7b7b7
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon White
1.90:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
11.04:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##90CD51
Display P3
Display P3
color(display-p3 0.6162 0.7974 0.3869)
P3 has subtle headroomOKLCH chroma 0.168

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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