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Stalwart Mongol Forest

#055902
Notes

Stalwart Mongol Forest (#055902) 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 (118°, 96%, 18%) 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
#055902
RGB
rgb(5, 89, 2)
HSL
hsl(118, 96%, 18%)
HWB
hwb(118 1% 65%)
OKLCH
oklch(40.3% 0.135 142.3)
P3
color(display-p3 0.1473 0.3435 0.0847)
HSV
hsv(118, 98%, 35%)
LAB
lab(32.22% -39.20 38.00)
LCH
lch(32.22% 54.59 135.89)
CMYK
cmyk(94%, 0%, 98%, 65%)

Etymology

Stalwart
adjective

Old English stǣl-wyrðe, stable-and-worthy. As a color modifier, stalwart implies a saturated-and-loyal-and-firm quality where the hue carries the dependable-and-trustworthy visual presence of a Knight-Templar guard. Sits at the bold-and-firm end of the grid, parallel to steadfast and firm in usage.

Mongol
modifier

Mongolian Mongɣol, Mongol. As a color modifier, mongol implies a steppe-and-Khanate quality, the visual register of Mongol-Khanate-of-Genghis Central-Asian steppe-Empire hand-built ger-and-mounted-cavalry-and-felt-rug-and-Khan-court surfaces under Karakorum-and-Mongolian-steppe Khanate-and-mounted-cavalry open-sky light. Sits at the modifier-and-cultural end of the grid, parallel to tatar and hun 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.

#055902
Original
#5b4f00
Protanopia
#534a0f
Deuteranopia
#00564a
Tritanopia
#414141
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
8.62:1
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
2.44:1

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
##055902
Display P3
Display P3
color(display-p3 0.1473 0.3435 0.0847)
P3 has subtle headroomOKLCH chroma 0.135

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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