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Acidic Pistachio

#5aad1d
Notes

Acidic Pistachio (#5AAD1D) is a true lime with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (95°, 71%, 40%) 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
#5aad1d
RGB
rgb(90, 173, 29)
HSL
hsl(95, 71%, 40%)
HWB
hwb(95 11% 32%)
OKLCH
oklch(66.9% 0.188 135.9)
HSV
hsv(95, 83%, 68%)
LAB
lab(63.47% -48.23 59.47)
LCH
lch(63.47% 76.56 129.04)
CMYK
cmyk(48%, 0%, 83%, 32%)

Etymology

Acidic
adjective

Latin acidus, sour — adjectival suffix -ic, sharing root with acetic and acerbic. As a color modifier, acidic implies a saturated-and-citric-and-sour quality, the bright color of lime-zest-and-pickled-lime citrus-fruit pulp surface. Sits at the bright-and-cool end of the grid, parallel to acid and electric in usage.

Pistachio
noun

Pistacia vera, the desert tree from western Asia whose green nut has been a delicacy in Iranian and Levantine cooking for at least three thousand years. The color refers to the cotyledon meat inside the shell: a soft, slightly muted yellow-green with the warmth of plant fat. Lighter than sage, deeper than mint, with the unmistakable association of a Sicilian gelato or a Persian pastry.

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

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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.

#5aad1d
Original
#b39e00
Protanopia
#a9972f
Deuteranopia
#56a693
Tritanopia
#919191
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
2.83:1
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
7.43:1

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