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Fresh Polar

#66dedc
Notes

Fresh Polar (#66DEDC) 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 (179°, 65%, 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
#66dedc
RGB
rgb(102, 222, 220)
HSL
hsl(179, 65%, 64%)
HWB
hwb(179 40% 13%)
OKLCH
oklch(83.2% 0.108 193.8)
P3
color(display-p3 0.5261 0.8600 0.8580)
HSV
hsv(179, 54%, 87%)
LAB
lab(81.96% -33.97 -9.27)
LCH
lch(81.96% 35.21 195.26)
CMYK
cmyk(54%, 0%, 1%, 13%)

Etymology

Fresh
adjective

Old English fersc, unsalted / not stale — sharing root with German frisch. As a color modifier, fresh implies a clear-and-newly-applied quality where the hue carries the just-emerged visual register. Sits at the crisp-and-clean end of the grid, parallel to crisp and new in usage.

Polar
noun

Of the polar — the ice caps and the meltwater seas at the high latitudes. The color refers to polar sea ice on a clear day at the height of summer melt: a soft, slightly green-shifted very pale blue with the optical brightness of bubble-rich ice. Lighter than glacier, cooler than frost, with the climatological weight of a region whose color is rapidly disappearing.

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.

#66dedc
Original
#d2d4dc
Protanopia
#bec6dd
Deuteranopia
#00e4dd
Tritanopia
#c4c4c4
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
1.61:1
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
13.05:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##66DEDC
Display P3
Display P3
color(display-p3 0.5261 0.8600 0.8580)
P3 has subtle headroomOKLCH chroma 0.108

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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