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Sullen Loden

#18511d
Notes

Sullen Loden (#18511D) is a deep green 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 (125°, 54%, 21%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#18511d
RGB
rgb(24, 81, 29)
HSL
hsl(125, 54%, 21%)
HWB
hwb(125 9% 68%)
OKLCH
oklch(38.5% 0.101 144.7)
HSV
hsv(125, 70%, 32%)
LAB
lab(29.83% -30.56 24.83)
LCH
lch(29.83% 39.37 140.91)
CMYK
cmyk(70%, 0%, 64%, 68%)

Etymology

Sullen
adjective

Old French solain, solitary via Anglo-French solein. As a color modifier, sullen implies a deep-and-cool-and-withholding quality, the dark cool-gray of Norwegian-fjord mid-winter atmospheric-overcast and saturated-saltwater-cliff in late-November light. Sits at the deep-and-cool end of the grid, parallel to gloomy and saturnine in atmospheric tone.

Loden
noun

The traditional Austrian wool fabric — densely woven, water-resistant, and used in the heavy hunting coats and Tyrolean walking jackets of Alpine winter dress. Loden color refers to the dark forest-green of traditional loden cloth: a deep, slightly muted dark green with the matte finish of fulled wool. The Tyrolean cousin of hunter.

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.

#18511d
Original
#534918
Protanopia
#4c4421
Deuteranopia
#0a4f46
Tritanopia
#414141
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
9.40:1
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
2.23:1

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