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Worn Chrysocolla

#37513f
Notes

Worn Chrysocolla (#37513F) 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 (138°, 19%, 27%) places it in the muted 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#37513f
RGB
rgb(55, 81, 63)
HSL
hsl(138, 19%, 27%)
HWB
hwb(138 22% 68%)
OKLCH
oklch(40.8% 0.044 153.9)
P3
color(display-p3 0.2375 0.3149 0.2525)
HSV
hsv(138, 32%, 32%)
LAB
lab(31.93% -14.22 7.49)
LCH
lch(31.93% 16.07 152.23)
CMYK
cmyk(32%, 0%, 22%, 68%)

Etymology

Worn
adjective

The past participle of wear — used as a color modifier since the medieval period for hues that have aged through use. Worn leather, worn linen: low saturation combined with the slight optical irregularity that comes from a surface used over years. Sits at the hushed-bucket alongside faded and weathered.

Chrysocolla
noun

A copper-aluminum hydrous silicate — saturated blue-green, mined principally in copper-mineral deposits of Arizona, Israel, and the Democratic Republic of the Congo. The color refers to a polished chrysocolla cabochon: a saturated, slightly cool deep blue-green with the matte finish of secondary copper mineral. Cooler than malachite.

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.

#37513f
Original
#514d3e
Protanopia
#4d4a40
Deuteranopia
#33504c
Tritanopia
#4a4a4a
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
8.71:1
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
2.41:1

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
##37513F
Display P3
Display P3
color(display-p3 0.2375 0.3149 0.2525)
Inside sRGBOKLCH chroma 0.044

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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