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Sinewy Zeus Forest

#178316
Notes

Sinewy Zeus Forest (#178316) 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 (119°, 71%, 30%) 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
#178316
RGB
rgb(23, 131, 22)
HSL
hsl(119, 71%, 30%)
HWB
hwb(119 9% 49%)
OKLCH
oklch(53.2% 0.169 142.7)
P3
color(display-p3 0.2410 0.5061 0.1676)
HSV
hsv(119, 83%, 51%)
LAB
lab(47.59% -49.49 46.14)
LCH
lch(47.59% 67.66 137.01)
CMYK
cmyk(82%, 0%, 83%, 49%)

Etymology

Sinewy
adjective

Old English sinu, sinew — adjectival suffix -y. As a color modifier, sinewy implies a saturated-and-muscular-and-firm quality where the hue carries the lean-and-strong visual presence of a Roman-statue athletic figure. Sits at the bold-and-firm end of the grid, parallel to stalwart and rugged in usage.

Zeus
modifier

Greek Ζεύς, king-of-the-Olympian-gods. As a color modifier, zeus implies a thunderbolt-and-king-of-gods-and-Olympian quality, the visual register of Olympian-Zeus-and-Phidias-Pheidias-statue hand-thunderbolt-and-king-of-gods-and-Olympian Olympian-Zeus-and-Phidias-statue-and-Mount-Olympus zeus-and-thunderbolt-and-king-of-gods-and-Olympian surfaces under Olympian-Zeus-and-Phidias-statue-and-Mount-Olympus Pheidias-chryselephantine-and-Olympia thunder-cloud-light. Sits at the modifier-and-myth end of the grid, parallel to hera and atlas in usage.

Forest
noun

The dense canopy of a temperate or tropical woodland — oak, beech, pine, eucalyptus, mahogany — wherever leaves close above to filter the light below. Forest green refers to the average reflectance of a healthy mid-summer canopy seen from below: a saturated, slightly muted green with the matte finish of layered chlorophyll. Deeper than fern, cooler than olive, with the ecological weight of a word that has named every wooded biome on Earth.

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.

#178316
Original
#867600
Protanopia
#7b6e24
Deuteranopia
#007f6f
Tritanopia
#646464
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).
AAon White
4.89:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.29:1

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
##178316
Display P3
Display P3
color(display-p3 0.2410 0.5061 0.1676)
P3 has subtle headroomOKLCH chroma 0.169

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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