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Neoncyanloud

Hot Aqua Kinetic

#18def3
Notes

Hot Aqua Kinetic (#18DEF3) 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 (186°, 90%, 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
#18def3
RGB
rgb(24, 222, 243)
HSL
hsl(186, 90%, 52%)
HWB
hwb(186 9% 5%)
OKLCH
oklch(82.4% 0.139 207.1)
HSV
hsv(186, 90%, 95%)
LAB
lab(81.24% -36.28 -22.72)
LCH
lch(81.24% 42.81 212.05)
CMYK
cmyk(90%, 9%, 0%, 5%)

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.

#18def3
Original
#c9d5f4
Protanopia
#afc1f3
Deuteranopia
#00e9e4
Tritanopia
#b5b5b5
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
1.64:1
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
12.78:1

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Canvas