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Fortified Aotearoa

#31a31f
Notes

Fortified Aotearoa (#31A31F) is a true 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°, 68%, 38%) 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
#31a31f
RGB
rgb(49, 163, 31)
HSL
hsl(112, 68%, 38%)
HWB
hwb(112 12% 36%)
OKLCH
oklch(62.8% 0.193 141.3)
HSV
hsv(112, 81%, 64%)
LAB
lab(58.92% -55.10 54.24)
LCH
lch(58.92% 77.32 135.45)
CMYK
cmyk(70%, 0%, 81%, 36%)

Etymology

Fortified
adjective

Latin fortificāre, to make strong — past-participle of fortify. As a color modifier, fortified implies a saturated-and-strengthened-and-defensive quality, the deep-rich color of Vauban-style military-fortification stone-and-earth rampart-and-bastion architecture. Sits at the bold-and-fortified end of the grid, parallel to bastioned and armored.

Aotearoa
noun

The Māori name for New Zealand — the land of the long white cloud — and the saturated deep green of New Zealand's South Island fjordland and fern understory. Aotearoa refers to a Fiordland forest understory: a saturated, slightly cool deep yellow-green with the matte finish of Cyathea tree-fern foliage.

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.

#31a31f
Original
#a79300
Protanopia
#9a8a2f
Deuteranopia
#169e8b
Tritanopia
#818181
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
3.29:1
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
6.39:1

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