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Flashing Verdolaga

#64b019
Notes

Flashing Verdolaga (#64B019) is a true lime 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 (90°, 75%, 39%) 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
#64b019
RGB
rgb(100, 176, 25)
HSL
hsl(90, 75%, 39%)
HWB
hwb(90 10% 31%)
OKLCH
oklch(68.1% 0.188 134.1)
P3
color(display-p3 0.4636 0.6829 0.2279)
HSV
hsv(90, 86%, 69%)
LAB
lab(64.83% -46.33 61.82)
LCH
lch(64.83% 77.25 126.85)
CMYK
cmyk(43%, 0%, 86%, 31%)

Etymology

Flashing
adjective

Old English flasch, flash — present-participle of flash. As a color modifier, flashing implies a saturated-and-rapid-on-off quality, the bright color of emergency-vehicle and photographic-flash light-burst surfaces. Sits at the bright-and-flashing end of the grid, parallel to coruscating and flickering in usage.

Verdolaga
noun

Portulaca oleracea, the Mediterranean and South American purslane — a leafy succulent eaten as a salad green and stewed dish across Spain, Mexico, and Greece. Verdolaga color refers to fresh purslane leaves in a salad bowl: a saturated, 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.

#64b019
Original
#b7a100
Protanopia
#ad9b2d
Deuteranopia
#63a996
Tritanopia
#959595
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
2.70:1
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
7.77:1

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
##64B019
Display P3
Display P3
color(display-p3 0.4636 0.6829 0.2279)
P3 has visible headroomOKLCH chroma 0.188

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.

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