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Sharp Akoya

#39e7f0
Notes

Sharp Akoya (#39E7F0) 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°, 86%, 58%) 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
#39e7f0
RGB
rgb(57, 231, 240)
HSL
hsl(183, 86%, 58%)
HWB
hwb(183 22% 6%)
OKLCH
oklch(84.8% 0.134 200.3)
HSV
hsv(183, 76%, 94%)
LAB
lab(84.13% -39.06 -16.73)
LCH
lch(84.13% 42.49 203.19)
CMYK
cmyk(76%, 4%, 0%, 6%)

Etymology

Sharp
adjective

Old English scearp, cutting, pointed — applied metaphorically to color since the seventeenth century for hues that read as definite and edge-defined. Sharp red, sharp green: the implication is saturation combined with high-contrast crispness. Sits in the bright-bucket center alongside crisp and clear, with a slightly more incisive edge.

Akoya
noun

The Japanese saltwater pearl — produced by Pinctada fucata martensii, the small pearl oyster of southern Japanese coastal waters. Akoya pearls have the iridescent pale blue-cream color characteristic of Japanese pearl tradition. The color refers to a strand of Akoya pearls: a soft, slightly cool pale blue with the iridescent satin finish of marine nacre.

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.

#39e7f0
Original
#d5ddf1
Protanopia
#bccaf1
Deuteranopia
#00f0e9
Tritanopia
#c3c3c3
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
1.51:1
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
13.86:1

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