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#4df4ef

a balanced, electric cyan · cool · closest name: cyan

RGB
77, 244, 239
HSL
178°, 88%, 63%
CMYK
68, 0, 2, 4
Luminance
0.7251

Every format

HEX#4df4ef
RGBrgb(77, 244, 239)
HSLhsl(178, 88%, 63%)
CMYKcmyk(68%, 0%, 2%, 4%)
LABlab(88.2 -42.9 -10.1)
LCHlch(88.2 44.1 193.2)
OKLCHoklch(0.882 0.134 192.1)

Copy-ready code

/* CSS */
color: #4df4ef;
background-color: #4df4ef;
/* Tailwind (arbitrary) */
class="text-[#4df4ef] bg-[#4df4ef]"
/* SCSS */
$brand: #4df4ef;
/* SwiftUI */
Color(red: 0.302, green: 0.957, blue: 0.937)
/* Android */
Color.parseColor("#4df4ef")

Accessibility — WCAG contrast

Aa
#4df4ef on white: 1.35:1
AA ✗ fail · AA-large · AAA
Aa
#4df4ef on black: 15.50:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red30.2%
Green95.7%
Blue93.7%

CMYK percentages

Cyan68.4%
Magenta0.0%
Yellow2.0%
Key (black)4.3%

Color previews

#4df4ef text on a black background

contrast 15.50:1

Card sample

#4df4ef text on a white background

contrast 1.35:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #4df4ef;
Background color
Panel with #4df4ef background
background-color: #4df4ef;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #4df4ef;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(77, 244, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 244, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4df4ef;
background: linear-gradient(135deg, #4df4ef, #4D8AF4);

Monochromatic scale

Palettes built from #4df4ef

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #4df4ef in the Color Lab