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Lambent Tangerine

#ef8a01
Notes

Lambent Tangerine (#EF8A01) is a true amber with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (35°, 99%, 47%) 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ef8a01
RGB
rgb(239, 138, 1)
HSL
hsl(35, 99%, 47%)
HWB
hwb(35 0% 6%)
OKLCH
oklch(72.6% 0.167 61.9)
HSV
hsv(35, 100%, 94%)
LAB
lab(66.93% 31.37 72.69)
LCH
lch(66.93% 79.17 66.65)
CMYK
cmyk(0%, 42%, 100%, 6%)

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.

Tangerine
noun

Named for the city of Tangier in Morocco, the port through which this small mandarin variety reached Europe in the early nineteenth century. The color refers to the skin of a fully ripe tangerine: a saturated, slightly red-shifted orange that's warmer than apricot and brighter than rust. The pigment is the same beta-carotene that colors carrots and pumpkins, just at higher concentration on the rind.

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.

#ef8a01
Original
#a99500
Protanopia
#c1ac03
Deuteranopia
#ff7276
Tritanopia
#969696
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
2.53:1
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
8.31:1

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