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Refreshing Celeste

#a3f5ef
Notes

Refreshing Celeste (#A3F5EF) is a soft cyan with a pastel character. It reads calm and airy, with enough chroma to feel intentional rather than washed out. Its HSL profile (176°, 80%, 80%) 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a3f5ef
RGB
rgb(163, 245, 239)
HSL
hsl(176, 80%, 80%)
HWB
hwb(176 64% 4%)
OKLCH
oklch(91.6% 0.080 190.0)
P3
color(display-p3 0.7107 0.9523 0.9349)
HSV
hsv(176, 33%, 96%)
LAB
lab(91.38% -26.13 -5.04)
LCH
lch(91.38% 26.61 190.93)
CMYK
cmyk(33%, 0%, 2%, 4%)

Etymology

Refreshing
adjective

Old French refreschir, to make fresh again — present-participle of refresh. As a color modifier, refreshing implies a clear-and-cool-and-revitalizing quality, the crisp color of Cornish-coast and Hebridean-island fresh-sea-air-and-cool-water revitalization. Sits at the crisp-and-cool end of the grid, parallel to fresh and bracing in usage.

Celeste
noun

Italian and Spanish for celestial — the pale, slightly green-shifted blue of a Tuscan sky in summer or a Bolognese fresco background. Celeste as a color borrowing into English carries the same association: a clean, very pale blue with the matte finish of distemper paint. Lighter than azure, cooler than powder, with the Italian-architectural weight of a word that names the soffit color of a hundred Renaissance ceilings.

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.

#a3f5ef
Original
#ecedef
Protanopia
#dde2f0
Deuteranopia
#85f9f3
Tritanopia
#e3e3e3
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
1.25:1
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
16.86:1

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
##A3F5EF
Display P3
Display P3
color(display-p3 0.7107 0.9523 0.9349)
P3 has subtle headroomOKLCH chroma 0.080

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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