Effervescent Concord
Effervescent Concord (#DA9DF2) 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 (283°, 77%, 78%) 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.
Etymology
Latin effervēscēns, boiling-out — present-participle of effervesce, sharing root with fervere (to boil). As a color modifier, effervescent implies a saturated-and-bubbling-and-active quality, the bright color of Champagne-and-Prosecco effervescent-wine carbonation-bubble-light reflection. Sits at the bright-and-effervescent end of the grid, parallel to fizzy and sparkling in usage.
Vitis labrusca, the Concord grape — bred in 1849 by Ephraim Wales Bull in Concord, Massachusetts, and the foundation of American grape juice and the kosher Manischewitz wine industry. The color refers to a ripe Concord grape on the vine: a saturated, slightly red-shifted very deep purple with the heavy bloom of waxy fruit surface. Cooler than wine, warmer than indigo, with the lunchbox-and-Welch's weight of a New England crop that changed an entire continent's beverage culture.
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 exploreHarmonies
Accessibility
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.
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.