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Sharp Kabacha

#e7910b
Notes

Sharp Kabacha (#E7910B) 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 (37°, 91%, 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
#e7910b
RGB
rgb(231, 145, 11)
HSL
hsl(37, 91%, 47%)
HWB
hwb(37 4% 9%)
OKLCH
oklch(72.9% 0.158 67.9)
HSV
hsv(37, 95%, 91%)
LAB
lab(67.48% 24.45 71.19)
LCH
lch(67.48% 75.27 71.05)
CMYK
cmyk(0%, 37%, 95%, 9%)

Etymology

Sharp
adjective

Old English scearp, cutting, pointed — applied metaphorically to color since the seventeenth century for hues that read as definite and edge-defined. Sharp red, sharp green: the implication is saturation combined with high-contrast crispness. Sits in the bright-bucket center alongside crisp and clear, with a slightly more incisive edge.

Kabacha
noun

The brownish color of kaba — Japanese cherry-birch (Betula grossa) — used in the carved wooden trays and netsuke of Edo-period craft. The color refers to polished kabacha wood: a soft, slightly muted warm brown with the slight reddish glow of Betula heartwood. Cooler than mahogany, drier than maple.

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.

#e7910b
Original
#ad9800
Protanopia
#c2ac12
Deuteranopia
#fd7c7c
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
2.48:1
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
8.45:1

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