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Charged Uguisu

#3aac22
Notes

Charged Uguisu (#3AAC22) is a true green with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (110°, 67%, 40%) 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
#3aac22
RGB
rgb(58, 172, 34)
HSL
hsl(110, 67%, 40%)
HWB
hwb(110 13% 33%)
OKLCH
oklch(65.5% 0.198 140.8)
HSV
hsv(110, 80%, 67%)
LAB
lab(62.10% -56.11 56.41)
LCH
lch(62.10% 79.57 134.85)
CMYK
cmyk(66%, 0%, 80%, 33%)

Etymology

Charged
adjective

Old French chargier, to load — past-participle of charge, sharing root with cargo. As a color modifier, charged implies a saturated-and-electrically-loaded quality where the hue carries visual potential-energy. Sits at the bright-and-active end of the grid, parallel to electrified and energetic in usage.

Uguisu
noun

Horornis diphone, the Japanese bush warbler — and the slightly muted olive-yellow of the bird's plumage. Uguisu-iro is a traditional Japanese color used in tea-ceremony pottery and fukusa silk wraps. The color refers to a fresh-molted bush warbler: a soft, slightly muted yellow-green with the matte finish of small bird feathers. Cooler than wakaba.

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.

#3aac22
Original
#b19c00
Protanopia
#a39333
Deuteranopia
#25a693
Tritanopia
#8a8a8a
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
2.96:1
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
7.10:1

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