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Searing Crystalline

#11e5f2
Notes

Searing Crystalline (#11E5F2) 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 (183°, 90%, 51%) 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
#11e5f2
RGB
rgb(17, 229, 242)
HSL
hsl(183, 90%, 51%)
HWB
hwb(183 7% 5%)
OKLCH
oklch(84.0% 0.141 202.2)
HSV
hsv(183, 93%, 95%)
LAB
lab(83.21% -40.06 -19.20)
LCH
lch(83.21% 44.42 205.61)
CMYK
cmyk(93%, 5%, 0%, 5%)

Etymology

Searing
adjective

Old English sēarian, to wither — present-participle of sear. As a color modifier, searing implies a saturated-and-burning-touch-hot quality, the bright color of cast-iron-griddle high-heat surface-emission. Sits at the bright-and-warm end of the grid, parallel to scorching and blazing 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.

#11e5f2
Original
#d2dbf3
Protanopia
#b7c7f3
Deuteranopia
#00efe9
Tritanopia
#b9b9b9
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
1.55:1
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
13.51:1

Related Colors

Canvas