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Hygienic Clan Turquoise

#41d8cc
Notes

Hygienic Clan Turquoise (#41D8CC) 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 (175°, 66%, 55%) 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
#41d8cc
RGB
rgb(65, 216, 204)
HSL
hsl(175, 66%, 55%)
HWB
hwb(175 25% 15%)
OKLCH
oklch(80.2% 0.125 187.2)
P3
color(display-p3 0.4435 0.8354 0.7980)
HSV
hsv(175, 70%, 85%)
LAB
lab(78.80% -41.50 -5.52)
LCH
lch(78.80% 41.87 187.58)
CMYK
cmyk(70%, 0%, 6%, 15%)

Etymology

Hygienic
adjective

Greek hygieinós, healthful — derived from Hygieia (goddess of health). As a color modifier, hygienic implies a clear-and-medical-clean quality, the crisp color of Mid-Century-Modern clinical-and-hospital interior-architecture surfaces. Sits at the crisp-and-clean end of the grid, parallel to sanitary and sterile in usage.

Clan
modifier

Scottish-Gaelic clann, children / family. As a color modifier, clan implies a Highland-Scottish-kinship quality, the visual register of Scottish-Highland-Clan Highland-and-Lowland hand-woven tartan-and-kilt-and-broadsword clan-and-kinship surfaces under Highland-Scottish-clan tartan-and-kilt-and-pipe-band Highland-pasture light. Sits at the modifier-and-cultural end of the grid, parallel to tribe and kin in usage.

Turquoise
noun

The hydrated copper-aluminum phosphate mined in Persia and the American Southwest for thousands of years — the firuze of Iran, the chalchihuitl of Mesoamerica, the heart of Pueblo and Navajo silverwork. The color refers to a fine Sleeping Beauty turquoise from Arizona: a saturated, slightly green-shifted blue with the slight matrix of host-rock veining. Brighter than persian, lighter than cerulean.

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.

#41d8cc
Original
#cccccc
Protanopia
#b7bcce
Deuteranopia
#00ddd4
Tritanopia
#b7b7b7
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
1.76:1
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
11.92:1

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
##41D8CC
Display P3
Display P3
color(display-p3 0.4435 0.8354 0.7980)
P3 has subtle headroomOKLCH chroma 0.125

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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