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Vibrant Spessartine

#fc8d42
Notes

Vibrant Spessartine (#FC8D42) 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 (24°, 97%, 62%) 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
#fc8d42
RGB
rgb(252, 141, 66)
HSL
hsl(24, 97%, 62%)
HWB
hwb(24 26% 1%)
OKLCH
oklch(75.1% 0.160 51.6)
HSV
hsv(24, 74%, 99%)
LAB
lab(69.57% 36.54 56.60)
LCH
lch(69.57% 67.38 57.15)
CMYK
cmyk(0%, 44%, 74%, 1%)

Etymology

Vibrant
adjective

From the Latin vibrare, to shake — used as a color word since the seventeenth century for hues that read as alive and resonant. Vibrant orange, vibrant green: the implication is saturation combined with the optical impression of slight motion or energy. Sits at the bright-bucket center alongside vivid and lively.

Spessartine
noun

A manganese-aluminum garnet — orange to red-orange in color, mined principally in Namibia, Mozambique, and California. Spessartine takes its name from the Spessart region of Germany. The color refers to a faceted Namibian spessartine: a saturated, slightly red orange with the gem's signature internal life. Brighter than hessonite.

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.

#fc8d42
Original
#ad9b39
Protanopia
#c8b441
Deuteranopia
#ff767d
Tritanopia
#9f9f9f
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
2.33:1
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
9.03:1

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