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Neoncyanloud

Vivid Aqua Shine

#00fff5
Notes

Vivid Aqua Shine (#00FFF5) 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 (178°, 100%, 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
#00fff5
RGB
rgb(0, 255, 245)
HSL
hsl(178, 100%, 50%)
HWB
hwb(178 0% 0%)
OKLCH
oklch(90.2% 0.156 189.7)
HSV
hsv(178, 100%, 100%)
LAB
lab(90.83% -50.92 -9.37)
LCH
lch(90.83% 51.77 190.43)
CMYK
cmyk(100%, 0%, 4%, 0%)

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.

#00fff5
Original
#eff1f5
Protanopia
#d3dcf7
Deuteranopia
#00fffb
Tritanopia
#c8c8c8
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
1.26:1
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
16.62:1

Related Colors

Canvas