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Vibrant Mocha

#b38f12
Notes

Vibrant Mocha (#B38F12) is a true amber with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (47°, 82%, 39%) 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
#b38f12
RGB
rgb(179, 143, 18)
HSL
hsl(47, 82%, 39%)
HWB
hwb(47 7% 30%)
OKLCH
oklch(66.5% 0.132 90.1)
P3
color(display-p3 0.6796 0.5662 0.2000)
HSV
hsv(47, 90%, 70%)
LAB
lab(61.02% 2.76 62.54)
LCH
lch(61.02% 62.60 87.47)
CMYK
cmyk(0%, 20%, 90%, 30%)

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.

Mocha
noun

A variety of agate from the Yemeni port of al-Mukhā — characterized by tree-like dendritic inclusions in a yellow-tan ground. Also the Yemeni coffee that gave its name to the chocolate-coffee drink. The color refers to a polished mocha-agate cabochon: a soft, slightly muted warm tan with the matte finish of cryptocrystalline silica.

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.

#b38f12
Original
#a18d00
Protanopia
#aa971d
Deuteranopia
#c3817a
Tritanopia
#8e8e8e
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).
AA Largeon White
3.06:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.85:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##B38F12
Display P3
Display P3
color(display-p3 0.6796 0.5662 0.2000)
P3 has subtle headroomOKLCH chroma 0.132

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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