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Sterile Púrpura

#efaaf4
Notes

Sterile Púrpura (#EFAAF4) is a soft violet with a pastel character. It reads calm and airy, with enough chroma to feel intentional rather than washed out. Its HSL profile (296°, 77%, 81%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#efaaf4
RGB
rgb(239, 170, 244)
HSL
hsl(296, 77%, 81%)
HWB
hwb(296 67% 4%)
OKLCH
oklch(82.7% 0.125 324.3)
HSV
hsv(296, 30%, 96%)
LAB
lab(78.25% 37.19 -26.88)
LCH
lch(78.25% 45.88 324.15)
CMYK
cmyk(2%, 30%, 0%, 4%)

Etymology

Sterile
adjective

Latin sterilis, barren / not-fertile — sharing root with Greek steiros (barren). As a color modifier, sterile implies a clear-and-medical-clean-and-stripped quality, the crisp color of operating-theater surgical-environment white-and-stainless-steel surfaces. Sits at the crisp-and-clean end of the grid, parallel to sanitary and hygienic in usage.

Púrpura
noun

Spanish for purple — derived from Latin purpura (Tyrian shellfish-dye), the imperial color of Roman and Spanish-Habsburg court regalia. Púrpura color refers to a Spanish-Habsburg-period royal capa cloak: a saturated, slightly cool deep violet with the velvet finish of multi-bath fermentation-and-shellfish-dyed silk-velvet over ermine. Slightly cooler than Italian porpora and warmer than French pourpre.

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.

#efaaf4
Original
#a4bcf7
Protanopia
#b4c4f1
Deuteranopia
#f2b1c5
Tritanopia
#bebebe
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
1.79:1
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
11.73:1

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