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Vibrant Knit Kelly

#28ae30
Notes

Vibrant Knit Kelly (#28AE30) is a true green with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (124°, 63%, 42%) 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
#28ae30
RGB
rgb(40, 174, 48)
HSL
hsl(124, 63%, 42%)
HWB
hwb(124 16% 32%)
OKLCH
oklch(65.7% 0.199 143.6)
HSV
hsv(124, 77%, 68%)
LAB
lab(62.45% -58.99 51.86)
LCH
lch(62.45% 78.55 138.68)
CMYK
cmyk(77%, 0%, 72%, 32%)

Etymology

Vibrant
adjective

From the Latin vibrare, to shake — used as a color word since the seventeenth century for hues that read as alive and resonant. Vibrant orange, vibrant green: the implication is saturation combined with the optical impression of slight motion or energy. Sits at the bright-bucket center alongside vivid and lively.

Knit
modifier

Old English cnyttan, to-knit. As a color modifier, knit implies a hand-knitted-loop-and-stitch quality, the visual register of Aran-Island-and-Fair-Isle-knit hand-knitted-and-cabled wool-and-yarn jumper-and-cardigan knit-textile surfaces under Aran-and-Fair-Isle hand-knitted-cable-and-jumper textile light. Sits at the modifier-and-texture end of the grid, parallel to woven and yarn in usage.

Kelly
noun

A bright yellow-green named for the Irish surname Kelly, common enough by the late nineteenth century to stand in for generic Irish in American slang. The color is the saturated, optically bright green of a Saint Patrick's Day parade: cleaner than shamrock, brighter than fern, with the pop-culture weight of a color used annually for green beer, green carnations, and the Chicago River.

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.

#28ae30
Original
#b29d1b
Protanopia
#a3933d
Deuteranopia
#00a995
Tritanopia
#888888
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
2.92:1
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
7.19:1

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