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Fresh Icicle Lagoon

#24bcdb
Notes

Fresh Icicle Lagoon (#24BCDB) 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 (190°, 72%, 50%) 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
#24bcdb
RGB
rgb(36, 188, 219)
HSL
hsl(190, 72%, 50%)
HWB
hwb(190 14% 14%)
OKLCH
oklch(73.5% 0.124 216.1)
P3
color(display-p3 0.3555 0.7266 0.8443)
HSV
hsv(190, 84%, 86%)
LAB
lab(70.49% -26.82 -26.20)
LCH
lch(70.49% 37.50 224.32)
CMYK
cmyk(84%, 14%, 0%, 14%)

Etymology

Fresh
adjective

Old English fersc, unsalted / not stale — sharing root with German frisch. As a color modifier, fresh implies a clear-and-newly-applied quality where the hue carries the just-emerged visual register. Sits at the crisp-and-clean end of the grid, parallel to crisp and new in usage.

Icicle
modifier

Old English īsgicel, ice-and-icicle. As a color modifier, icicle implies a hanging-ice-and-eaves-frozen-drip quality, the visual register of Alpine-eaves-and-Norwegian-stave-icicle hand-hanging-ice-and-eaves-frozen-drip Alpine-eaves-and-Norwegian-stave-icicle-and-Cairngorm-ledge icicle-and-hanging-ice-and-eaves-frozen-drip surfaces under Alpine-eaves-and-Norwegian-stave-icicle-and-Cairngorm-ledge Alpine-Dolomites-and-Norwegian-stave-church frozen-drip-light. Sits at the modifier-and-weather end of the grid, parallel to floe and berg in usage.

Lagoon
noun

A shallow body of saltwater partially or fully enclosed by a barrier — coral atoll lagoons in the Pacific, Venice's Laguna Veneta, the Florida Keys' backcountry. The color refers to the average reflectance of a calm tropical lagoon at midday: a saturated, slightly muted blue-green with the optical clarity of shallow water over white sand. Brighter than reef, cooler than aquamarine, with the postcard weight of a Pacific atoll seen from above.

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.

#24bcdb
Original
#a7b6dd
Protanopia
#90a5db
Deuteranopia
#00c7c6
Tritanopia
#9e9e9e
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
2.26:1
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
9.29:1

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
##24BCDB
Display P3
Display P3
color(display-p3 0.3555 0.7266 0.8443)
P3 has subtle headroomOKLCH chroma 0.124

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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