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Animated Smeraldo

#51ad55
Notes

Animated Smeraldo (#51AD55) 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 (123°, 36%, 50%) 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
#51ad55
RGB
rgb(81, 173, 85)
HSL
hsl(123, 36%, 50%)
HWB
hwb(123 32% 32%)
OKLCH
oklch(67.1% 0.153 144.4)
HSV
hsv(123, 53%, 68%)
LAB
lab(63.58% -45.75 36.82)
LCH
lch(63.58% 58.73 141.18)
CMYK
cmyk(53%, 0%, 51%, 32%)

Etymology

Animated
adjective

Latin animātus, given-life — past-participle of animāre, derived from anima (soul, breath). As a color modifier, animated implies a saturated-and-life-given quality where the hue carries visual movement-and-vitality. Sits at the bright-and-active end of the grid, parallel to spirited and lively in usage.

Smeraldo
noun

The Italian word for emerald — used in Renaissance jewelry vocabulary and the Costa Smeralda (emerald coast) of northern Sardinia. The color refers to a faceted Italian-cut Colombian emerald: a saturated, slightly cool deep green with the gem's signature internal warmth. The Italian cousin of emerald.

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.

#51ad55
Original
#b09f4d
Protanopia
#a4975b
Deuteranopia
#42a999
Tritanopia
#939393
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).
Failon White
2.82:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
7.46:1

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