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Vibrantcyan

Plush Sky Feather

#4fe4f0
Notes

Plush Sky Feather (#4FE4F0) 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 (184°, 84%, 63%) places it in the highly saturated band at a mid 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4fe4f0
RGB
rgb(79, 228, 240)
HSL
hsl(184, 84%, 63%)
HWB
hwb(184 31% 6%)
OKLCH
oklch(84.6% 0.124 202.8)
HSV
hsv(184, 67%, 94%)
LAB
lab(83.67% -35.10 -17.37)
LCH
lch(83.67% 39.16 206.33)
CMYK
cmyk(67%, 5%, 0%, 6%)

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 explore

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.

#4fe4f0
Original
#d3dbf1
Protanopia
#bbc9f1
Deuteranopia
#00ede7
Tritanopia
#c5c5c5
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
1.53:1
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
13.69:1

Related Colors

Canvas