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Spartan Spruce

#18671b
Notes

Spartan Spruce (#18671B) is a deep green with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (122°, 62%, 25%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#18671b
RGB
rgb(24, 103, 27)
HSL
hsl(122, 62%, 25%)
HWB
hwb(122 9% 60%)
OKLCH
oklch(45.1% 0.133 143.4)
P3
color(display-p3 0.1951 0.3979 0.1515)
HSV
hsv(122, 77%, 40%)
LAB
lab(37.79% -39.37 34.60)
LCH
lch(37.79% 52.41 138.69)
CMYK
cmyk(77%, 0%, 74%, 60%)

Etymology

Spartan
adjective

Greek Spartiátēs, of Sparta — adjectival suffix referring to the Lacedaemonian warrior city. As a color modifier, spartan implies a saturated-and-disciplined-and-formal quality, the deep-rich color of Spartan-hoplite military-class crimson-and-bronze armor-and-cloak. Sits at the bold-and-formal end of the grid, parallel to austere and stern in tone.

Spruce
noun

The genus Picea, the spruces of the boreal and montane forests — Sitka, Norway, blue, white, black — the conifer that frames timberline across the northern hemisphere. The color refers to fresh spruce needles: a deep, slightly blue-shifted green with the matte finish of resin-coated foliage. Cooler than fern, warmer than teal, with the resinous cold-air association of a high-altitude or high-latitude evergreen.

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.

#18671b
Original
#695d0f
Protanopia
#605722
Deuteranopia
#006458
Tritanopia
#515151
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
7.01:1
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
2.99:1

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
##18671B
Display P3
Display P3
color(display-p3 0.1951 0.3979 0.1515)
P3 has subtle headroomOKLCH chroma 0.133

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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