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Homemade Tarmac

#181c0f
Notes

Homemade Tarmac (#181C0F) is a deep lime 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 (78°, 30%, 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#181c0f
RGB
rgb(24, 28, 15)
HSL
hsl(78, 30%, 8%)
HWB
hwb(78 6% 89%)
OKLCH
oklch(21.8% 0.025 122.4)
P3
color(display-p3 0.0971 0.1093 0.0643)
HSV
hsv(78, 46%, 11%)
LAB
lab(9.48% -4.89 7.61)
LCH
lch(9.48% 9.05 122.71)
CMYK
cmyk(14%, 0%, 46%, 89%)

Etymology

Homemade
adjective

English compound home + past-participle made — sharing root with make. As a color modifier, homemade implies a neutral-and-handcrafted-and-domestic quality, the neutral color of American-and-English-cottage hand-made-and-home-craft household-textile-and-pottery surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to handmade and handcrafted in usage.

Tarmac
noun

A specific type of asphalt paving — tar macadam, named for John Loudon McAdam's 1820s road technique combined with tar binder. Tarmac in British English now means airfield runway generally. The color refers to a fresh runway surface: a soft, slightly muted dark gray with the matte finish of stone-and-bitumen paving. Lighter than asphalt, warmer than slate, with the aviation-and-road weight of an infrastructure word that traveled across the Atlantic.

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.

#181c0f
Original
#1e1b0e
Protanopia
#1d1a10
Deuteranopia
#191b19
Tritanopia
#1a1a1a
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
17.33:1
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
1.21:1

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
##181C0F
Display P3
Display P3
color(display-p3 0.0971 0.1093 0.0643)
Inside sRGBOKLCH chroma 0.025

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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