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Reinforced Shamrock

#2a8528
Notes

Reinforced Shamrock (#2A8528) is a deep 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 (119°, 54%, 34%) 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
#2a8528
RGB
rgb(42, 133, 40)
HSL
hsl(119, 54%, 34%)
HWB
hwb(119 16% 48%)
OKLCH
oklch(54.3% 0.155 142.8)
HSV
hsv(119, 70%, 52%)
LAB
lab(48.78% -45.39 40.77)
LCH
lch(48.78% 61.01 138.07)
CMYK
cmyk(68%, 0%, 70%, 48%)

Etymology

Reinforced
adjective

Latin re- plus inforce — past-participle of reinforce. As a color modifier, reinforced implies a saturated-and-doubled-up-and-strengthened quality where the hue carries layered pigmentation for maximum visual presence. Sits at the bold-and-fortified end of the grid, parallel to fortified and buttressed.

Shamrock
noun

Trifolium dubium or Oxalis acetosella — the three-leaf clover that Saint Patrick reportedly used to teach the Trinity, and that since became the unifying icon of Irish national identity. The color refers to the leaves of fresh shamrock in spring: a saturated, slightly yellow-shifted green with the matte finish of small leguminous foliage. Brighter than spinach, lighter than fern, with the cultural weight of a single word that means Ireland.

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.

#2a8528
Original
#88781b
Protanopia
#7d7131
Deuteranopia
#158172
Tritanopia
#6b6b6b
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
4.68:1
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
4.48:1

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