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Bright Cuoio

#b5971c
Notes

Bright Cuoio (#B5971C) is a true amber with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (48°, 73%, 41%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b5971c
RGB
rgb(181, 151, 28)
HSL
hsl(48, 73%, 41%)
HWB
hwb(48 11% 29%)
OKLCH
oklch(68.4% 0.133 93.8)
HSV
hsv(48, 85%, 71%)
LAB
lab(63.38% -0.46 62.11)
LCH
lch(63.38% 62.11 90.42)
CMYK
cmyk(0%, 17%, 85%, 29%)

Etymology

Bright
adjective

Old English beorht, shining, luminous — cognate with the German Bracht, splendor. Applied to color since at least the medieval period for hues that read as luminous: not just light in value but optically active, as if scattering more light back than a dimmer color of the same lightness would. Sits at the bright-bucket center alongside vivid and brilliant.

Cuoio
noun

The Italian word for leather — used in fashion vocabulary for the warm brown of vegetable-tanned cowhide. Cuoio-color is the standard for Italian saddle and shoe leather. The color refers to a freshly oiled vegetable-tanned cuoio: a warm, slightly muted brown with the satin finish of finished leather. The Italian cousin of tan and cognac.

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.

#b5971c
Original
#a89400
Protanopia
#b09d26
Deuteranopia
#c48a81
Tritanopia
#949494
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
2.83:1
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
7.41:1

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