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Highborn Sward

#277d1a
Notes

Highborn Sward (#277D1A) 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 (112°, 66%, 30%) 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
#277d1a
RGB
rgb(39, 125, 26)
HSL
hsl(112, 66%, 30%)
HWB
hwb(112 10% 51%)
OKLCH
oklch(51.9% 0.155 141.3)
HSV
hsv(112, 79%, 49%)
LAB
lab(45.87% -44.35 43.29)
LCH
lch(45.87% 61.98 135.69)
CMYK
cmyk(69%, 0%, 79%, 51%)

Etymology

Highborn
adjective

Old English hēah-boren, high-born — past-participle of bear. As a color modifier, highborn implies a saturated-and-aristocratic-and-elite quality, the deep-rich color of pre-modern English high-born aristocratic-class livery-and-armorial bearings. Sits at the bold-and-aristocratic end of the grid, parallel to noble and aristocratic in usage.

Sward
noun

A grassy turf — the layer of grass-and-roots covering pasture and lawn. Sward in English landscape vocabulary names the saturated green of well-managed grazing land. The color refers to a freshly mown English country lawn: a saturated, slightly cool yellow-green with the matte finish of cropped grass.

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.

#277d1a
Original
#807103
Protanopia
#766a25
Deuteranopia
#16796a
Tritanopia
#646464
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).
AAon White
5.20:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.03:1

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