Fluorescent Mossed Kiwi
Fluorescent Mossed Kiwi (#55AA18) 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 (95°, 75%, 38%) 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.
Etymology
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.
Old English mos, moss. As a color modifier, mossed implies a moss-covered-and-aged quality, the visual register of English-and-Welsh-mossed-and-lichen-covered moss-and-lichen-covered stone-and-tree-and-cobble mossed-and-lichen-covered surfaces under English-and-Welsh moss-and-lichen-covered atmospheric light. Sits at the modifier-and-texture end of the grid, parallel to pitted and limed in usage.
Actinidia deliciosa — originally the Chinese gooseberry before New Zealand growers rebranded it for export in the 1950s. The color refers to the cross-section of a ripe green-fleshed kiwifruit: a saturated, slightly yellow-shifted green with the optical brightness of small black seeds suspended in translucent flesh. Brighter than apple, sharper than pear, with the instantly recognizable graphic quality of the cut fruit.
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 exploreHarmonies
Accessibility
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.
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.