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Energetic Kale

#81f586
Notes

Energetic Kale (#81F586) is a soft 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 (123°, 85%, 73%) places it in the highly saturated band at a light 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#81f586
RGB
rgb(129, 245, 134)
HSL
hsl(123, 85%, 73%)
HWB
hwb(123 51% 4%)
OKLCH
oklch(87.6% 0.183 144.7)
P3
color(display-p3 0.6202 0.9500 0.5721)
HSV
hsv(123, 47%, 96%)
LAB
lab(87.82% -54.91 43.36)
LCH
lch(87.82% 69.97 141.70)
CMYK
cmyk(47%, 0%, 45%, 4%)

Etymology

Energetic
adjective

Greek energētikós, active — derived from energeia (activity). As a color modifier, energetic implies a saturated-and-kinetic-and-active quality where the hue carries visual vibration and movement-suggestion that engages the eye dynamically. Sits at the bright-and-active end of the grid, parallel to dynamic and spirited in usage.

Kale
noun

Brassica oleracea var. acephala — the loose-leaved cabbage variety eaten as a leafy green in northern European, Tuscan, and Portuguese cuisine. Kale color refers to fresh raw curly kale: a saturated, slightly cool deep green with the matte finish of leathery brassica leaf. Cooler than spinach.

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.

#81f586
Original
#f9e37d
Protanopia
#e9d88d
Deuteranopia
#70f0db
Tritanopia
#d4d4d4
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
1.37:1
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
15.34:1

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
##81F586
Display P3
Display P3
color(display-p3 0.6202 0.9500 0.5721)
P3 has visible headroomOKLCH chroma 0.183

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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