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Fluorescent Pecan

#e5b833
Notes

Fluorescent Pecan (#E5B833) is a true amber with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (45°, 77%, 55%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#e5b833
RGB
rgb(229, 184, 51)
HSL
hsl(45, 77%, 55%)
HWB
hwb(45 20% 10%)
OKLCH
oklch(80.1% 0.149 88.8)
HSV
hsv(45, 78%, 90%)
LAB
lab(76.79% 3.82 68.63)
LCH
lch(76.79% 68.74 86.81)
CMYK
cmyk(0%, 20%, 78%, 10%)

Etymology

Fluorescent
adjective

Latin fluēre, to flow — adjectival suffix -escent. As a color modifier, fluorescent implies a saturated-and-UV-stimulated-glow quality, the bright color of fluorite-and-ZnS mineral-pigment fluorescent-lamp emission. Sits at the bright-and-cool end of the grid, parallel to phosphorescent and neon in usage.

Pecan
noun

Carya illinoinensis, a North American hickory whose nut was a staple of pre-Columbian diet across the Mississippi watershed. The English name traces to the Algonquian pakani. The color refers to the meat of a shelled pecan: a warm, slightly red-toned tan with the matte finish of dried plant tissue. Warmer than almond, more saturated than walnut, with the autumn-orchard sweetness implied by the word.

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.

#e5b833
Original
#ceb617
Protanopia
#d9c33b
Deuteranopia
#f8a89f
Tritanopia
#b8b8b8
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
1.87:1
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
11.24:1

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