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Valiant Tyr Forest

#138a21
Notes

Valiant Tyr Forest (#138A21) 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 (127°, 76%, 31%) 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
#138a21
RGB
rgb(19, 138, 33)
HSL
hsl(127, 76%, 31%)
HWB
hwb(127 7% 46%)
OKLCH
oklch(55.2% 0.172 143.9)
P3
color(display-p3 0.2490 0.5331 0.1976)
HSV
hsv(127, 86%, 54%)
LAB
lab(50.01% -51.41 44.72)
LCH
lch(50.01% 68.14 138.98)
CMYK
cmyk(86%, 0%, 76%, 46%)

Etymology

Valiant
adjective

Latin valēns, strong — present-participle of valēre, sharing root with English value and valor. As a color modifier, valiant implies a saturated-and-courageous-and-firm quality, the deep-rich color of Crusader-and-Knight-Templar military-religious-order vestment. Sits at the bold-and-chivalrous end of the grid, parallel to gallant and heroic in usage.

Tyr
modifier

Old Norse Týr, one-handed-god-of-justice-and-war. As a color modifier, tyr implies a one-handed-god-and-Fenrir-binding-and-justice quality, the visual register of Norse-Tyr-and-Fenrir-binding hand-one-handed-god-and-Fenrir-binding-and-justice Norse-Tyr-and-Fenrir-binding-and-Tiwaz-rune tyr-and-one-handed-god-and-Fenrir-binding surfaces under Norse-Tyr-and-Fenrir-binding-and-Tiwaz-rune Asgard-pantheon-and-Tiwaz-rune-stone justice-and-binding-light. Sits at the modifier-and-myth end of the grid, parallel to thor and odin 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.

#138a21
Original
#8d7c0c
Protanopia
#80742c
Deuteranopia
#008676
Tritanopia
#696969
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
4.48:1
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
4.69:1

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
##138A21
Display P3
Display P3
color(display-p3 0.2490 0.5331 0.1976)
P3 has subtle headroomOKLCH chroma 0.172

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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