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Brilliant Umbria

#cda40b
Notes

Brilliant Umbria (#CDA40B) 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 (47°, 90%, 42%) 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#cda40b
RGB
rgb(205, 164, 11)
HSL
hsl(47, 90%, 42%)
HWB
hwb(47 4% 20%)
OKLCH
oklch(73.5% 0.148 90.4)
HSV
hsv(47, 95%, 80%)
LAB
lab(69.15% 2.96 71.03)
LCH
lch(69.15% 71.10 87.61)
CMYK
cmyk(0%, 20%, 95%, 20%)

Etymology

Brilliant
adjective

From the Italian brillante, sparkling — used as a color modifier since the seventeenth century for hues that read as optically active beyond their literal saturation. Brilliant green, brilliant blue: the implication is luminance combined with the slight sparkle of a high-refractive surface. Sits at the bright-bucket center alongside vivid and bright.

Umbria
noun

The Italian region — and the terra di Siena and terra d'ombra (umber) earth pigments mined there since the Renaissance. Umbria refers to a freshly ground raw umber pigment in oil: a soft, slightly muted warm dark brown with the matte finish of iron-and-manganese earth. Cooler than sienna, deeper than tabacco.

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.

#cda40b
Original
#b9a200
Protanopia
#c3ae1d
Deuteranopia
#df948c
Tritanopia
#a2a2a2
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
2.36:1
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
8.91:1

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