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Bracing Crystalline

#43e8fc
Notes

Bracing Crystalline (#43E8FC) 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°, 97%, 63%) 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
#43e8fc
RGB
rgb(67, 232, 252)
HSL
hsl(186, 97%, 63%)
HWB
hwb(186 26% 1%)
OKLCH
oklch(85.7% 0.133 207.1)
HSV
hsv(186, 73%, 99%)
LAB
lab(84.96% -34.98 -21.77)
LCH
lch(84.96% 41.20 211.90)
CMYK
cmyk(73%, 8%, 0%, 1%)

Etymology

Bracing
adjective

Old French bracier, to embrace — present-participle of brace. As a color modifier, bracing implies a saturated-and-cool-and-energizing quality, the bright color of Atlantic-Cornish-coast and Hebridean-island fresh-sea-air visual-stimulation. Sits at the bright-and-cool end of the grid, parallel to invigorating and crisp in usage.

Crystalline
noun

Water of exceptional clarity — particularly the crystalline mountain springs of Alpine and Andean rivers. Crystalline color refers to a fresh-emerged spring water in a marble basin at Plitvice Lakes: a soft, slightly cool pale blue with the optical clarity of mineral-saturated water.

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.

#43e8fc
Original
#d4dffd
Protanopia
#baccfc
Deuteranopia
#00f2ee
Tritanopia
#c6c6c6
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
1.48:1
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
14.19:1

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