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Artisanal Greywacke

#1c180b
Notes

Artisanal Greywacke (#1C180B) is a deep 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 (46°, 44%, 8%) 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1c180b
RGB
rgb(28, 24, 11)
HSL
hsl(46, 44%, 8%)
HWB
hwb(46 4% 89%)
OKLCH
oklch(21.0% 0.024 92.9)
P3
color(display-p3 0.1072 0.0947 0.0497)
HSV
hsv(46, 61%, 11%)
LAB
lab(8.34% -0.50 7.96)
LCH
lch(8.34% 7.98 93.63)
CMYK
cmyk(0%, 14%, 61%, 89%)

Etymology

Artisanal
adjective

Italian artigiano, craftsman — adjectival suffix -al, derived from Latin artītiānus. As a color modifier, artisanal implies a neutral-and-small-batch-and-handcraft quality, the neutral color of farm-to-table-and-craft-bakery small-batch-and-quality-handcraft food-and-textile-and-pottery surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to handcrafted and crafted in usage.

Greywacke
noun

German Grauwacke, gray-stone — the deep-cool-gray graded-bedded turbidite sandstone of the Welsh Borderlands, Lake District, and Hudson Highlands. Greywacke color refers to a Welsh-Borderland Wenlockian-period greywacke outcrop face: a dark cool-gray with the matte finish of poorly sorted feldspar-and-lithic-fragment-rich sandstone on a hand-quarried block-section.

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.

#1c180b
Original
#1b170a
Protanopia
#1c190b
Deuteranopia
#1e1615
Tritanopia
#181818
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
17.72:1
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
1.18:1

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
##1C180B
Display P3
Display P3
color(display-p3 0.1072 0.0947 0.0497)
Inside sRGBOKLCH chroma 0.024

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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