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Incandescent Amalfi

#9cbb28
Notes

Incandescent Amalfi (#9CBB28) is a true yellow with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (73°, 65%, 45%) 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
#9cbb28
RGB
rgb(156, 187, 40)
HSL
hsl(73, 65%, 45%)
HWB
hwb(73 16% 27%)
OKLCH
oklch(74.3% 0.167 121.4)
HSV
hsv(73, 79%, 73%)
LAB
lab(71.39% -29.35 64.93)
LCH
lch(71.39% 71.25 114.33)
CMYK
cmyk(17%, 0%, 79%, 27%)

Etymology

Incandescent
adjective

Latin incandēscēns, growing-hot — present-participle of incandēscere, sharing root with candere (to shine). As a color modifier, incandescent implies a saturated-and-glowing-hot quality, the bright color of tungsten-filament-glow incandescent-lamp light. Sits at the bright-and-warm end of the grid, parallel to glowing and blazing in usage.

Amalfi
noun

The Italian Mediterranean coast — and the lemon-yellow of Amalfi Sfusato lemons (twice the size of common lemons, used in limoncello). Amalfi refers to a fresh Sfusato lemon at midday on the Tyrrhenian coast: a saturated, slightly cool yellow with the satin finish of citrus rind. Brighter 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.

#9cbb28
Original
#c7af00
Protanopia
#c3af37
Deuteranopia
#a5b1a0
Tritanopia
#aaaaaa
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
2.20:1
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
9.55:1

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