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Fluorescent Huáng

#ee8e1b
Notes

Fluorescent Huáng (#EE8E1B) is a true orange 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 (33°, 86%, 52%) 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
#ee8e1b
RGB
rgb(238, 142, 27)
HSL
hsl(33, 86%, 52%)
HWB
hwb(33 11% 7%)
OKLCH
oklch(73.3% 0.161 62.7)
HSV
hsv(33, 89%, 93%)
LAB
lab(67.73% 29.18 68.60)
LCH
lch(67.73% 74.55 66.96)
CMYK
cmyk(0%, 40%, 89%, 7%)

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.

Huáng
noun

The Chinese word for yellow — the imperial color of the Ming and Qing dynasties, reserved for the emperor's robes and the glazed-tile roofs of the Forbidden City. Huáng is also one of the five Chinese cardinal colors, corresponding to the center, late summer, and the dragon. The color refers to huánglóngpáo (yellow imperial dragon robe) silk: a saturated, slightly cool deep gold-yellow with the satin finish of dyed silk.

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.

#ee8e1b
Original
#ac9700
Protanopia
#c3ae1d
Deuteranopia
#ff787a
Tritanopia
#9a9a9a
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
2.46:1
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
8.52:1

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