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Searing Aerial

#43e7f4
Notes

Searing Aerial (#43E7F4) 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 (184°, 89%, 61%) 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
#43e7f4
RGB
rgb(67, 231, 244)
HSL
hsl(184, 89%, 61%)
HWB
hwb(184 26% 4%)
OKLCH
oklch(85.2% 0.131 203.0)
HSV
hsv(184, 73%, 96%)
LAB
lab(84.42% -36.85 -18.38)
LCH
lch(84.42% 41.18 206.51)
CMYK
cmyk(73%, 5%, 0%, 4%)

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.

Aerial
noun

Of the air or sky — used in art-historical vocabulary for aerial perspective (the technique of using cooler, paler colors for distant elements to create depth). Aerial color refers to the saturated pale blue of distant mountains in clear atmosphere: a soft, slightly cool pale blue with the optical brightness of atmospheric Rayleigh scattering at distance.

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.

#43e7f4
Original
#d5ddf5
Protanopia
#bccbf5
Deuteranopia
#00f0eb
Tritanopia
#c5c5c5
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
1.50:1
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
13.98:1

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