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Fluorescent Moegi

#78a405
Notes

Fluorescent Moegi (#78A405) is a deep 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 (77°, 94%, 33%) places it in the highly saturated band at a dark 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
#78a405
RGB
rgb(120, 164, 5)
HSL
hsl(77, 94%, 33%)
HWB
hwb(77 2% 36%)
OKLCH
oklch(66.2% 0.168 126.5)
HSV
hsv(77, 97%, 64%)
LAB
lab(62.13% -34.26 63.41)
LCH
lch(62.13% 72.08 118.38)
CMYK
cmyk(27%, 0%, 97%, 36%)

Etymology

Fluorescent
adjective

Latin fluēre, to flow — adjectival suffix -escent. As a color modifier, fluorescent implies a saturated-and-UV-stimulated-glow quality, the bright color of fluorite-and-ZnS mineral-pigment fluorescent-lamp emission. Sits at the bright-and-cool end of the grid, parallel to phosphorescent and neon in usage.

Moegi
noun

Japanese for sprouting yellow — the yellow-green of Carex sedge sprouts and rice seedlings. Moegi-iro is one of the seasonal colors of the Heian-period kasane layered-kimono palette, worn during the spring planting season. The color refers to fresh moegi sprouts in a paddy: a saturated, slightly yellow yellow-green with the matte finish of small fresh leaves.

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.

#78a405
Original
#ad9800
Protanopia
#a79521
Deuteranopia
#7e9c8b
Tritanopia
#8f8f8f
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
2.95:1
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
7.11:1

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