colors
Back to gallery
Vibrantcyan

Soft Aqua Stream

#42cfed
Notes

Soft Aqua Stream (#42CFED) 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 (191°, 83%, 59%) 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
#42cfed
RGB
rgb(66, 207, 237)
HSL
hsl(191, 83%, 59%)
HWB
hwb(191 26% 7%)
OKLCH
oklch(79.3% 0.124 215.2)
HSV
hsv(191, 72%, 93%)
LAB
lab(77.22% -27.61 -25.59)
LCH
lch(77.22% 37.64 222.83)
CMYK
cmyk(72%, 13%, 0%, 7%)

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.

#42cfed
Original
#bac9ef
Protanopia
#a3b7ed
Deuteranopia
#00dad8
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
1.85:1
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
11.38:1

Related Colors

Canvas