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Plush Lilac Echo

#a663e6
Notes

Plush Lilac Echo (#A663E6) is a true indigo with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (271°, 72%, 65%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a663e6
RGB
rgb(166, 99, 230)
HSL
hsl(271, 72%, 65%)
HWB
hwb(271 39% 10%)
OKLCH
oklch(63.2% 0.195 305.1)
HSV
hsv(271, 57%, 90%)
LAB
lab(54.81% 51.35 -56.43)
LCH
lch(54.81% 76.30 312.30)
CMYK
cmyk(28%, 57%, 0%, 10%)

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

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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.

#a663e6
Original
#2e81ea
Protanopia
#4983e3
Deuteranopia
#9b7c9b
Tritanopia
#7b7b7b
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).
AA Largeon White
3.78:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.55:1

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