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Sizzling Iceberg

#15e8f4
Notes

Sizzling Iceberg (#15E8F4) is a true cyan with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (183°, 91%, 52%) 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
#15e8f4
RGB
rgb(21, 232, 244)
HSL
hsl(183, 91%, 52%)
HWB
hwb(183 8% 4%)
OKLCH
oklch(84.8% 0.142 201.6)
HSV
hsv(183, 91%, 96%)
LAB
lab(84.17% -40.68 -18.80)
LCH
lch(84.17% 44.81 204.81)
CMYK
cmyk(91%, 5%, 0%, 4%)

Etymology

Sizzling
adjective

Imitative-onomatopoeic origin — present-participle of sizzle, with sound-and-action mimicry. As a color modifier, sizzling implies a saturated-and-hot-and-active quality, the bright color of Spanish-tapas-tapa hot-griddle iron-skillet surface-emission. Sits at the bright-and-warm end of the grid, parallel to searing and scorching 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

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.

#15e8f4
Original
#d5ddf5
Protanopia
#bacaf5
Deuteranopia
#00f2eb
Tritanopia
#bcbcbc
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
1.51:1
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
13.88:1

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