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Sure Limetta

#3a660f
Notes

Sure Limetta (#3A660F) is a deep lime with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (90°, 74%, 23%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#3a660f
RGB
rgb(58, 102, 15)
HSL
hsl(90, 74%, 23%)
HWB
hwb(90 6% 60%)
OKLCH
oklch(46.1% 0.123 133.6)
HSV
hsv(90, 85%, 40%)
LAB
lab(38.61% -30.08 40.36)
LCH
lch(38.61% 50.34 126.69)
CMYK
cmyk(43%, 0%, 85%, 60%)

Etymology

Sure
adjective

Old French seur, certain — used as a color modifier since the medieval period for hues that read as confident and stable. Sure red, sure blue: moderate saturation combined with optical commitment. Sits at the crisp-bucket center alongside steady and true.

Limetta
noun

The Italian name for bergamotCitrus bergamia — the tart citrus fruit cultivated in Calabria for the essential oil that flavors Earl Grey tea and eau de Cologne. The color refers to a fresh-cut bergamot at peak ripeness: a saturated, slightly cool yellow-green with the matte finish of citrus rind. Cooler than limone.

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.

#3a660f
Original
#6a5d00
Protanopia
#655a19
Deuteranopia
#3a6256
Tritanopia
#565656
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).
AAon White
6.80:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.09:1

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