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Praetorian Uaine

#37a240
Notes

Praetorian Uaine (#37A240) is a true green with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (125°, 49%, 43%) 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
#37a240
RGB
rgb(55, 162, 64)
HSL
hsl(125, 49%, 43%)
HWB
hwb(125 22% 36%)
OKLCH
oklch(63.0% 0.168 144.6)
HSV
hsv(125, 66%, 64%)
LAB
lab(58.99% -50.55 41.37)
LCH
lch(58.99% 65.32 140.70)
CMYK
cmyk(66%, 0%, 60%, 36%)

Etymology

Praetorian
adjective

Latin praetōriānus, of the praetor — adjectival suffix, referring to the Roman-Imperial elite guard-cohorts. As a color modifier, praetorian implies a saturated-and-elite-and-imperial-guard quality, the deep-rich color of Roman-Praetorian-Guard elite-imperial-bodyguard scarlet-tunic-and-bronze-armor military-formation. Sits at the bold-and-formal end of the grid, parallel to spartan and imperial.

Uaine
noun

The Irish word for green — used in Éire uaine (green Ireland) and the Connacht uaine of Connaught county banners. Uaine names the saturated grass-green of Atlantic-coast Irish hillsides. The color refers to an Irish hillside in May: a saturated, slightly cool yellow-green with the matte finish of well-watered Atlantic pasture.

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.

#37a240
Original
#a59336
Protanopia
#988a48
Deuteranopia
#1b9e8d
Tritanopia
#848484
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
3.28:1
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
6.40:1

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