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Refreshing Glauque

#4aacb4
Notes

Refreshing Glauque (#4AACB4) is a true cyan with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (185°, 42%, 50%) 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
#4aacb4
RGB
rgb(74, 172, 180)
HSL
hsl(185, 42%, 50%)
HWB
hwb(185 29% 29%)
OKLCH
oklch(69.0% 0.091 202.6)
P3
color(display-p3 0.3952 0.6660 0.6990)
HSV
hsv(185, 59%, 71%)
LAB
lab(65.16% -26.05 -12.72)
LCH
lch(65.16% 28.99 206.03)
CMYK
cmyk(59%, 4%, 0%, 29%)

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.

Glauque
noun

The French adjective for gray-blue-green — borrowed from the Greek glaukos, the epithet of the goddess Athena's eyes (glaukōpis). Used in French color vocabulary for the cold gray-blue of stormy seas and aged metal patina. The color refers to a cold Atlantic morning at Pointe du Raz: a soft, slightly cool deep gray-blue-green.

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.

#4aacb4
Original
#a0a5b5
Protanopia
#8f99b4
Deuteranopia
#00b2ae
Tritanopia
#989898
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
2.67:1
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
7.85:1

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
##4AACB4
Display P3
Display P3
color(display-p3 0.3952 0.6660 0.6990)
P3 has subtle headroomOKLCH chroma 0.091

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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