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Electric Aloe

#66be27
Notes

Electric Aloe (#66BE27) is a true lime with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (95°, 66%, 45%) 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.

HEX
#66be27
RGB
rgb(102, 190, 39)
HSL
hsl(95, 66%, 45%)
HWB
hwb(95 15% 25%)
OKLCH
oklch(71.9% 0.197 135.7)
P3
color(display-p3 0.4853 0.7368 0.2672)
HSV
hsv(95, 79%, 75%)
LAB
lab(69.32% -50.62 62.23)
LCH
lch(69.32% 80.22 129.12)
CMYK
cmyk(46%, 0%, 79%, 25%)

Etymology

Electric
adjective

From the Greek elektron, amber — the substance whose static-electric properties were observed by Thales of Miletus. Used as a color modifier since the late nineteenth century after electric light made certain saturated colors feel attention-demanding. Electric blue, electric pink: the implication is hot luminance combined with optical impact. Sits at the bright-bucket extreme.

Aloe
noun

Aloe vera, the succulent whose translucent inner leaf gel has been used as a cosmetic and medicinal salve since classical antiquity. The color refers to a fresh aloe leaf in cross-section: a soft, slightly cool yellow-green with the satin finish of succulent leaf-tissue.

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.

#66be27
Original
#c5ae00
Protanopia
#b9a738
Deuteranopia
#63b7a2
Tritanopia
#a0a0a0
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
2.34:1
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
8.96:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##66BE27
Display P3
Display P3
color(display-p3 0.4853 0.7368 0.2672)
P3 has visible headroomOKLCH chroma 0.197

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

Related Colors

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