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Provincial Vortex

#0d150d
Notes

Provincial Vortex (#0D150D) 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 (120°, 24%, 7%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#0d150d
RGB
rgb(13, 21, 13)
HSL
hsl(120, 24%, 7%)
HWB
hwb(120 5% 92%)
OKLCH
oklch(18.5% 0.020 144.7)
P3
color(display-p3 0.0575 0.0815 0.0537)
HSV
hsv(120, 38%, 8%)
LAB
lab(5.88% -4.58 3.28)
LCH
lch(5.88% 5.64 144.44)
CMYK
cmyk(38%, 0%, 38%, 92%)

Etymology

Provincial
adjective

Latin prōvinciālis, of-a-province — adjectival suffix -al. As a color modifier, provincial implies a neutral-and-regional-and-traditional quality, the neutral color of French-Provincial-Provençal and Italian-Tuscan-Provincial regional-tradition interior-decoration-and-textile surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to regional and country in usage.

Vortex
noun

Latin vortex, whirl — the deep-cool-gray rotating-fluid structure of tornado, waterspout, and whirlpool phenomena. Vortex color refers to a Niagara-Falls whirlpool downstream of the Horseshoe Falls: a dark cool-gray with the optical complexity of high-velocity downstream-current-mixed Niagara-River water against the Niagara Gorge shale cliff-face.

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.

#0d150d
Original
#15140d
Protanopia
#14130d
Deuteranopia
#0c1513
Tritanopia
#131313
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
18.58:1
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
1.13:1

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
##0D150D
Display P3
Display P3
color(display-p3 0.0575 0.0815 0.0537)
Inside sRGBOKLCH chroma 0.020

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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