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Vibrantcyan

Crisp Sky Bloom

#66e2da
Notes

Crisp Sky Bloom (#66E2DA) is a true cyan with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (176°, 68%, 64%) 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
#66e2da
RGB
rgb(102, 226, 218)
HSL
hsl(176, 68%, 64%)
HWB
hwb(176 40% 11%)
OKLCH
oklch(84.0% 0.111 189.5)
HSV
hsv(176, 55%, 89%)
LAB
lab(83.06% -36.35 -6.58)
LCH
lch(83.06% 36.94 190.26)
CMYK
cmyk(55%, 0%, 4%, 11%)

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.

#66e2da
Original
#d7d7da
Protanopia
#c3c9db
Deuteranopia
#00e7df
Tritanopia
#c7c7c7
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
1.56:1
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
13.46:1

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Canvas