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Torrid Iceberg

#15dde9
Notes

Torrid Iceberg (#15DDE9) 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 (183°, 83%, 50%) 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
#15dde9
RGB
rgb(21, 221, 233)
HSL
hsl(183, 83%, 50%)
HWB
hwb(183 8% 9%)
OKLCH
oklch(81.8% 0.137 201.9)
HSV
hsv(183, 91%, 91%)
LAB
lab(80.60% -39.00 -18.37)
LCH
lch(80.60% 43.11 205.23)
CMYK
cmyk(91%, 5%, 0%, 9%)

Etymology

Torrid
adjective

Latin torridus, parched / scorching — sharing root with torrēre (to dry by heat). As a color modifier, torrid implies a saturated-and-tropical-hot quality, the bright color of equatorial-Saharan-and-Sonoran-desert mid-summer high-temperature surface-emission. Sits at the bright-and-warm end of the grid, parallel to scorching and fiery in usage.

Iceberg
noun

Floating freshwater ice — calved from glaciers and ice shelves — characterized by the saturated pale blue of the underwater portion. The blue comes from the same Rayleigh scattering that colors the sky, intensified through compressed glacier ice. The color refers to a freshly calved Antarctic iceberg's underwater face: a saturated, slightly cool pale blue.

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

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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.

#15dde9
Original
#cbd3ea
Protanopia
#b1c0ea
Deuteranopia
#00e6e0
Tritanopia
#b3b3b3
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
1.67:1
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
12.55:1

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