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Lambent Parsley

#66bd59
Notes

Lambent Parsley (#66BD59) is a true green 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 (112°, 43%, 55%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#66bd59
RGB
rgb(102, 189, 89)
HSL
hsl(112, 43%, 55%)
HWB
hwb(112 35% 26%)
OKLCH
oklch(72.1% 0.161 141.2)
HSV
hsv(112, 53%, 74%)
LAB
lab(69.43% -45.82 42.15)
LCH
lch(69.43% 62.26 137.39)
CMYK
cmyk(46%, 0%, 53%, 26%)

Etymology

Lambent
adjective

Latin lambēns, licking-lightly — present-participle of lambere (to lick). As a color modifier, lambent implies a saturated-and-soft-flickering quality, the bright color of candle-flame-and-firefly gentle-flickering light-emission against the surrounding darkness. Sits at the bright-and-soft end of the grid, parallel to glimmering and flickering in usage.

Parsley
noun

Petroselinum crispum, the Mediterranean biennial used as both garnish and primary flavor — Italian flat-leaf for cooking, French curly for visual contrast on a plate. The color refers to fresh flat-leaf parsley chopped on a board: a saturated, slightly yellow-shifted green with the matte finish of cellulose-rich leaf. Brighter than basil, cooler than mint, with the kitchen reach of a herb that appears in tabbouleh, gremolata, and persillade.

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.

#66bd59
Original
#c1ae50
Protanopia
#b5a760
Deuteranopia
#5db8a6
Tritanopia
#a3a3a3
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
2.34:1
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
8.99:1

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