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Antiseptic Kilt Teal

#528a89
Notes

Antiseptic Kilt Teal (#528A89) 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 (179°, 25%, 43%) places it in the muted 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
#528a89
RGB
rgb(82, 138, 137)
HSL
hsl(179, 25%, 43%)
HWB
hwb(179 32% 46%)
OKLCH
oklch(59.5% 0.059 194.2)
P3
color(display-p3 0.3727 0.5356 0.5347)
HSV
hsv(179, 41%, 54%)
LAB
lab(53.79% -18.65 -5.27)
LCH
lch(53.79% 19.38 195.79)
CMYK
cmyk(41%, 0%, 1%, 46%)

Etymology

Antiseptic
adjective

Greek anti- (against) plus sēptikós (putrefying) — adjectival suffix -ic. As a color modifier, antiseptic implies a clear-and-disinfected-and-clinical quality, the crisp color of medical-laboratory and operating-theater hand-scrub-and-sanitizer surfaces. Sits at the crisp-and-clean end of the grid, parallel to sterile and sanitary in usage.

Kilt
modifier

Scots kilt, Highland-pleated-skirt. As a color modifier, kilt implies a Highland-tartan-and-pleated-skirt quality, the visual register of Highland-tartan-and-Black-Watch-kilt hand-Highland-tartan-and-pleated-skirt Highland-tartan-and-Black-Watch-kilt-and-clan-Macleod kilt-and-Highland-tartan surfaces under Highland-tartan-and-Black-Watch-kilt-and-clan-Macleod Highland-clan-and-Edinburgh-tartan-mill tartan-and-pleated-light. Sits at the modifier-and-textile end of the grid, parallel to sash and tabard in usage.

Teal
noun

Anas crecca, the small dabbling duck whose male in breeding plumage sports a chestnut head crossed by a glossy green-blue stripe. The color refers to that stripe — the iridescent panel just behind the eye: a saturated, slightly muted blue-green with the optical depth of structural color rather than pigment. Cooler than cypress, warmer than cerulean, with the ornithological specificity of a color named for one feather of one bird.

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.

#528a89
Original
#848589
Protanopia
#797d8a
Deuteranopia
#3a8d89
Tritanopia
#7e7e7e
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).
AA Largeon White
3.92:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.36:1

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
##528A89
Display P3
Display P3
color(display-p3 0.3727 0.5356 0.5347)
Inside sRGBOKLCH chroma 0.059

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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