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Assured Gust Forest

#3b8e27
Notes

Assured Gust Forest (#3B8E27) is a true green with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (108°, 57%, 35%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#3b8e27
RGB
rgb(59, 142, 39)
HSL
hsl(108, 57%, 35%)
HWB
hwb(108 15% 44%)
OKLCH
oklch(57.4% 0.160 140.1)
HSV
hsv(108, 73%, 56%)
LAB
lab(52.31% -44.71 45.04)
LCH
lch(52.31% 63.47 134.79)
CMYK
cmyk(58%, 0%, 73%, 44%)

Etymology

Assured
adjective

Old French aseürer, to give assurance — past-participle of assure. As a color modifier, assured implies a saturated-and-confident quality where the hue carries unwavering certainty about its own visual identity. Sits at the bold-and-confident end of the grid, parallel to certain and poised.

Gust
modifier

Old Norse gustr, sudden-burst-of-wind. As a color modifier, gust implies a sudden-burst-and-cliff-top-and-driven quality, the visual register of Cornish-cliff-and-Hebridean-gust hand-sudden-burst-and-cliff-top-and-driven Cornish-cliff-and-Hebridean-gust-and-North-Atlantic-front gust-and-sudden-burst-and-cliff-top surfaces under Cornish-cliff-and-Hebridean-gust-and-North-Atlantic-front Lizard-Point-and-Outer-Hebrides-and-Faroe-passage cliff-top-wind-light. Sits at the modifier-and-weather end of the grid, parallel to zephyr and mistral 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.

#3b8e27
Original
#928116
Protanopia
#887a31
Deuteranopia
#31897a
Tritanopia
#757575
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).
AA Largeon White
4.13:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.08:1

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