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#a3f9df

a light, electric cyan · cool · closest name: aquamarine

RGB
163, 249, 223
HSL
162°, 88%, 81%
CMYK
35, 0, 10, 2
Luminance
0.8087

Every format

HEX#a3f9df
RGBrgb(163, 249, 223)
HSLhsl(162, 88%, 81%)
CMYKcmyk(35%, 0%, 10%, 2%)
LABlab(92.1 -31.5 4.3)
LCHlch(92.1 31.8 172.3)
OKLCHoklch(0.920 0.091 173.2)

Copy-ready code

/* CSS */
color: #a3f9df;
background-color: #a3f9df;
/* Tailwind (arbitrary) */
class="text-[#a3f9df] bg-[#a3f9df]"
/* SCSS */
$brand: #a3f9df;
/* SwiftUI */
Color(red: 0.639, green: 0.976, blue: 0.875)
/* Android */
Color.parseColor("#a3f9df")

Accessibility — WCAG contrast

Aa
#a3f9df on white: 1.22:1
AA ✗ fail · AA-large · AAA
Aa
#a3f9df on black: 17.17:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red63.9%
Green97.6%
Blue87.5%

CMYK percentages

Cyan34.5%
Magenta0.0%
Yellow10.4%
Key (black)2.4%

Color previews

#a3f9df text on a black background

contrast 17.17:1

Card sample

#a3f9df text on a white background

contrast 1.22:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #a3f9df;
Background color
Panel with #a3f9df background
background-color: #a3f9df;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #a3f9df;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(163, 249, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(163, 249, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a3f9df;
background: linear-gradient(135deg, #a3f9df, #A3DAF9);

Monochromatic scale

Palettes built from #a3f9df

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #a3f9df in the Color Lab