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Glowy Zelyonyy

#78b003
Notes

Glowy Zelyonyy (#78B003) is a true lime 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 (79°, 97%, 35%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#78b003
RGB
rgb(120, 176, 3)
HSL
hsl(79, 97%, 35%)
HWB
hwb(79 1% 31%)
OKLCH
oklch(69.2% 0.182 128.9)
HSV
hsv(79, 98%, 69%)
LAB
lab(65.79% -39.66 66.53)
LCH
lch(65.79% 77.45 120.80)
CMYK
cmyk(32%, 0%, 98%, 31%)

Etymology

Glowy
adjective

Old English glōwan, to glow — adjectival suffix -y. As a color modifier, glowy implies a saturated-and-soft-emitting-and-warm quality, the bright color of fireside-and-candle-lit interior atmospheric-warmth surface emission. Sits at the bright-and-warm end of the grid, parallel to glowing and luminous in usage.

Zelyonyy
noun

The Russian word for green — used in classical Russian literature for the zelyonyye lawns of Moscow's pre-revolutionary gardens and the green velvet of Russian Orthodox vestments. The color refers to a zelyonyy-painted Russian carriage interior: a saturated, slightly cool green with the matte finish of weathered paint.

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.

#78b003
Original
#b9a200
Protanopia
#b29f24
Deuteranopia
#7ca895
Tritanopia
#989898
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
2.62:1
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
8.01:1

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