Twinkling Cuì
Twinkling Cuì (#9EF197) 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 (115°, 76%, 77%) 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.
Etymology
Old English twinclian, to wink rapidly — present-participle of twinkle. As a color modifier, twinkling implies a saturated-and-rapid-flicker-reflective quality, the bright color of Christmas-fairy-light and night-sky-star atmospheric-scintillation. Sits at the bright-and-reflective end of the grid, parallel to sparkling and glittering in usage.
The Chinese word for kingfisher — and the saturated blue-green of kingfisher feathers used in classical Chinese cuì-yū (kingfisher feather) imperial ornament. The color refers to a polished fei-cuì (jadeite-cuì) bangle: a saturated, slightly cool deep blue-green with the satin finish of imperial-grade jade.
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.