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Tough Venus Forest

#0a5c0d
Notes

Tough Venus Forest (#0A5C0D) 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°, 80%, 20%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#0a5c0d
RGB
rgb(10, 92, 13)
HSL
hsl(122, 80%, 20%)
HWB
hwb(122 4% 64%)
OKLCH
oklch(41.4% 0.132 143.0)
HSV
hsv(122, 89%, 36%)
LAB
lab(33.45% -38.88 35.63)
LCH
lch(33.45% 52.73 137.50)
CMYK
cmyk(89%, 0%, 86%, 64%)

Etymology

Tough
adjective

Old English tōh, firm / tenacious — sharing root with German zäh. As a color modifier, tough implies a saturated-and-resilient quality where the hue resists fading-and-modulation through its strong pigmentation. Sits at the bold-and-resilient end of the grid, parallel to rugged and hardy in usage.

Venus
modifier

Latin Venus, Roman-goddess-and-second-planet. As a color modifier, venus implies a Roman-goddess-and-second-planet-and-morning-evening-star quality, the visual register of Botticelli-Birth-of-Venus-and-Pompeii-fresco hand-Roman-goddess-and-second-planet-and-morning-evening-star Botticelli-Birth-of-Venus-and-Pompeii-fresco-and-Aphrodite-Hellenic venus-and-Roman-goddess-and-second-planet surfaces under Botticelli-Birth-of-Venus-and-Pompeii-fresco-and-Aphrodite-Hellenic Florentine-and-Pompeian dawn-and-dusk-evening-star-light. Sits at the modifier-and-zodiac end of the grid, parallel to jupiter and saturn 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

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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.

#0a5c0d
Original
#5e5200
Protanopia
#564c17
Deuteranopia
#00594e
Tritanopia
#454545
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
8.24:1
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
2.55:1

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