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Sparkling Hauyne

#21d7bf
Notes

Sparkling Hauyne (#21D7BF) is a true teal with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (172°, 73%, 49%) 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#21d7bf
RGB
rgb(33, 215, 191)
HSL
hsl(172, 73%, 49%)
HWB
hwb(172 13% 16%)
OKLCH
oklch(79.0% 0.138 180.6)
HSV
hsv(172, 85%, 84%)
LAB
lab(77.69% -47.75 -0.26)
LCH
lch(77.69% 47.75 180.31)
CMYK
cmyk(85%, 0%, 11%, 16%)

Etymology

Sparkling
adjective

Old English spearca, spark — present-participle of sparkle. As a color modifier, sparkling implies a saturated-and-multi-point-reflective-and-effervescent quality, the bright color of Champagne-and-Prosecco effervescent-wine carbonation-bubble-light reflection. Sits at the bright-and-reflective end of the grid, parallel to glittering and fizzy in usage.

Hauyne
noun

A blue-to-green variety of the lazurite mineral group — used in classical Egyptian and Mesoamerican blue pigments and modern fine jewelry. The color refers to a polished hauyne specimen: a saturated, slightly cool deep blue-green with the matte finish of sodium-aluminum silicate.

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.

#21d7bf
Original
#cdcabe
Protanopia
#b7b9c1
Deuteranopia
#00dbd0
Tritanopia
#afafaf
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
1.82:1
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
11.54:1

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