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Incandescent Kuchinashi

#ef732c
Notes

Incandescent Kuchinashi (#EF732C) 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 (22°, 86%, 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ef732c
RGB
rgb(239, 115, 44)
HSL
hsl(22, 86%, 55%)
HWB
hwb(22 17% 6%)
OKLCH
oklch(69.2% 0.172 46.4)
HSV
hsv(22, 82%, 94%)
LAB
lab(62.34% 43.74 58.51)
LCH
lch(62.34% 73.05 53.22)
CMYK
cmyk(0%, 52%, 82%, 6%)

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.

Kuchinashi
noun

Gardenia jasminoides — the gardenia plant, whose dried fruit yields a yellow-orange dye used in Japanese textile and food coloring (yellow rice, pickled radish). Kuchinashi-iro refers to a soft, slightly muted gold-orange. The color is kuchinashi-dyed silk: a warm, slightly muted yellow-orange with the matte finish of plant-derived pigment. Cooler than saffron, drier than goldenrod.

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.

#ef732c
Original
#968521
Protanopia
#b4a128
Deuteranopia
#ff5765
Tritanopia
#888888
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
2.93:1
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
7.16:1

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