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Hadean Wheat

#633b10
Notes

Hadean Wheat (#633B10) is a deep orange with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (31°, 72%, 23%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#633b10
RGB
rgb(99, 59, 16)
HSL
hsl(31, 72%, 23%)
HWB
hwb(31 6% 61%)
OKLCH
oklch(39.3% 0.079 63.0)
P3
color(display-p3 0.3662 0.2386 0.1000)
HSV
hsv(31, 84%, 39%)
LAB
lab(28.95% 13.85 32.32)
LCH
lch(28.95% 35.17 66.80)
CMYK
cmyk(0%, 40%, 84%, 61%)

Etymology

Hadean
adjective

Greek Hadean, of Hades — adjectival form of Hades. As a color modifier, hadean implies the deep cool-darkness of the classical-Greek underworld realms, with literary-poetic register. Sits at the deep-and-cool end of the grid, parallel to plutonian and Stygian in classical-mythological register.

Wheat
noun

Triticum, the grass domesticated in the Levant ten thousand years ago and now grown on more land than any other crop. The color refers to a field of mature wheat just before harvest: a soft, slightly golden tan with the dry surface of ripening grain. Warmer than straw, lighter than honey, with the agricultural weight of every bread-eating civilization.

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.

#633b10
Original
#483f09
Protanopia
#514811
Deuteranopia
#6d3232
Tritanopia
#404040
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).
AAAon White
9.71:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.16:1

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
##633B10
Display P3
Display P3
color(display-p3 0.3662 0.2386 0.1000)
Inside sRGBOKLCH chroma 0.079

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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