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Sovereign Blithe Forest

#1f8b22
Notes

Sovereign Blithe Forest (#1F8B22) 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°, 64%, 33%) 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
#1f8b22
RGB
rgb(31, 139, 34)
HSL
hsl(122, 64%, 33%)
HWB
hwb(122 12% 45%)
OKLCH
oklch(55.7% 0.170 143.2)
HSV
hsv(122, 78%, 55%)
LAB
lab(50.54% -50.08 44.94)
LCH
lch(50.54% 67.28 138.09)
CMYK
cmyk(78%, 0%, 76%, 45%)

Etymology

Sovereign
adjective

Old French soverain, supreme — derived from Latin super (above). As a color modifier, sovereign implies a saturated-and-royal-supremacy quality where the hue carries imperial-ruling-class register. Sits at the bold-and-imperial end of the grid, parallel to regal and imperial in tone.

Blithe
modifier

Old English blīthe, joyful-and-kind. As a color modifier, blithe implies a carefree-and-light-hearted-and-cheerful quality, the visual register of Shakespearean-pastoral-and-Forest-of-Arden-blithe hand-carefree-and-light-hearted-and-cheerful Shakespearean-pastoral-and-Forest-of-Arden-and-As-You-Like-It blithe-and-carefree-and-light-hearted-and-cheerful surfaces under Shakespearean-pastoral-and-Forest-of-Arden-and-As-You-Like-It English-greenwood-and-shepherd's-meadow Maytime-light. Sits at the modifier-and-mood end of the grid, parallel to merry and jolly 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.

#1f8b22
Original
#8e7d0e
Protanopia
#82752d
Deuteranopia
#008777
Tritanopia
#6c6c6c
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
4.40:1
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
4.77:1

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