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Cavernous Hunter

#04400e
Notes

Cavernous Hunter (#04400E) is a deep green 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 (130°, 88%, 13%) places it in the highly saturated band at a dark 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#04400e
RGB
rgb(4, 64, 14)
HSL
hsl(130, 88%, 13%)
HWB
hwb(130 2% 75%)
OKLCH
oklch(32.4% 0.098 145.0)
HSV
hsv(130, 94%, 25%)
LAB
lab(22.74% -29.80 24.48)
LCH
lch(22.74% 38.56 140.60)
CMYK
cmyk(94%, 0%, 78%, 75%)

Etymology

Cavernous
adjective

An adjectival form of cavern, used principally for the deep darkness of large enclosed spaces. As a color modifier, cavernous implies the slightly cool deep blacks of a Lascaux-style cave or a basilica crypt — darkness with the optical complexity of a space larger than any single light source can fill. Sits in the deep-and-spatial end of the grid.

Hunter
noun

A deep, slightly muted green named for the wool jackets worn by British and American sportsmen for shooting and hunting since the late nineteenth century — chosen for camouflage in temperate woodland. The color refers to the dye on a traditional hunter-green Barbour or tweed: a deep, slightly blue-shifted green with the matte finish of a heavyweight wool. Darker than forest, cooler than holly.

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.

#04400e
Original
#413907
Protanopia
#3b3513
Deuteranopia
#003e36
Tritanopia
#303030
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
12.04:1
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
1.74:1

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