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Hot Whitsundays

#18d2ad
Notes

Hot Whitsundays (#18D2AD) is a true teal with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (168°, 79%, 46%) places it in the highly saturated band at a mid 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
#18d2ad
RGB
rgb(24, 210, 173)
HSL
hsl(168, 79%, 46%)
HWB
hwb(168 9% 18%)
OKLCH
oklch(77.2% 0.144 173.6)
HSV
hsv(168, 89%, 82%)
LAB
lab(75.64% -50.96 6.41)
LCH
lch(75.64% 51.36 172.83)
CMYK
cmyk(89%, 0%, 18%, 18%)

Etymology

Hot
adjective

Old English hāt, of high temperature — applied metaphorically to color since the eighteenth century for warm hues at high saturation. Hot pink, hot red: the implication is luminous intensity combined with thermal warmth. Sits in the bright-and-warm corner of the grid, alongside burning and vivid.

Whitsundays
noun

The Australian archipelago in the central Great Barrier Reef — and the saturated turquoise of Whitehaven Beach's silica-sand-and-tidal-water boundary. Whitsundays refers to Hill Inlet at Whitehaven: a saturated, slightly cool deep blue-green with the optical complexity of tidal water swirling through pure silica sand.

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.

#18d2ad
Original
#cbc4ab
Protanopia
#b5b4b0
Deuteranopia
#00d4c7
Tritanopia
#a8a8a8
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
1.93:1
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
10.86:1

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