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Effective Brioche

#856a3c
Notes

Effective Brioche (#856A3C) is a true amber with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (38°, 38%, 38%) 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#856a3c
RGB
rgb(133, 106, 60)
HSL
hsl(38, 38%, 38%)
HWB
hwb(38 24% 48%)
OKLCH
oklch(54.0% 0.072 79.6)
P3
color(display-p3 0.5048 0.4197 0.2615)
HSV
hsv(38, 55%, 52%)
LAB
lab(46.47% 4.72 29.69)
LCH
lch(46.47% 30.06 80.96)
CMYK
cmyk(0%, 20%, 55%, 48%)

Etymology

Effective
adjective

Latin effectīvus, productive — adjectival suffix -ive. As a color modifier, effective implies a clear-and-purpose-achieving quality where the hue carries the visual register of successful-task-completion design-element. Sits at the crisp-and-functional end of the grid, parallel to practical and useful in usage.

Brioche
noun

The French enriched bread — egg- and butter-rich dough that produces a soft, golden, slightly sweet loaf used in brioche à tête, pain au lait, and kouign-amann. The color refers to the inside of a freshly baked brioche: a soft, slightly warm pale yellow with the matte finish of egg-rich crumb.

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.

#856a3c
Original
#756a38
Protanopia
#7c713d
Deuteranopia
#8f625f
Tritanopia
#6c6c6c
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).
AAon White
5.09:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.12:1

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
##856A3C
Display P3
Display P3
color(display-p3 0.5048 0.4197 0.2615)
Inside sRGBOKLCH chroma 0.072

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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