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Sensibly Scoria

#0a170d
Notes

Sensibly Scoria (#0A170D) 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 (134°, 39%, 6%) 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#0a170d
RGB
rgb(10, 23, 13)
HSL
hsl(134, 39%, 6%)
HWB
hwb(134 4% 91%)
OKLCH
oklch(18.9% 0.027 150.4)
P3
color(display-p3 0.0509 0.0889 0.0543)
HSV
hsv(134, 57%, 9%)
LAB
lab(6.38% -6.85 3.99)
LCH
lch(6.38% 7.92 149.80)
CMYK
cmyk(57%, 0%, 43%, 91%)

Etymology

Sensibly
adjective

Latin sēnsibilis, perceivable / having-good-sense — adverbial-and-adjectival suffix -ly. As a color modifier, sensibly implies a neutral-and-practical-and-rational quality where the hue carries the visual register of practical-and-functional color-decision matched to its everyday-use context. Sits at the neutral-and-traditional end of the grid, parallel to reasonably and practical in usage.

Scoria
noun

Greek skōría, clinker — the deep-cool-gray gas-rich basaltic volcanic-clinker of Mauna Loa and Etna spatter-cone eruption-deposits. Scoria color refers to a Hawaii Big Island Mauna Loa scoria-cone outer slope face in midday sun: a dark cool-gray with the matte finish of vesicular-basalt with iron-rust patina on the vesicle-rim surfaces.

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.

#0a170d
Original
#17150c
Protanopia
#15140e
Deuteranopia
#081714
Tritanopia
#141414
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
18.40:1
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
1.14:1

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
##0A170D
Display P3
Display P3
color(display-p3 0.0509 0.0889 0.0543)
Inside sRGBOKLCH chroma 0.027

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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