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#4df3f0

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

RGB
77, 243, 240
HSL
179°, 87%, 63%
CMYK
68, 0, 1, 5
Luminance
0.7197

Every format

HEX#4df3f0
RGBrgb(77, 243, 240)
HSLhsl(179, 87%, 63%)
CMYKcmyk(68%, 0%, 1%, 5%)
LABlab(88.0 -42.2 -11.0)
LCHlch(88.0 43.6 194.6)
OKLCHoklch(0.880 0.133 193.2)

Copy-ready code

/* CSS */
color: #4df3f0;
background-color: #4df3f0;
/* Tailwind (arbitrary) */
class="text-[#4df3f0] bg-[#4df3f0]"
/* SCSS */
$brand: #4df3f0;
/* SwiftUI */
Color(red: 0.302, green: 0.953, blue: 0.941)
/* Android */
Color.parseColor("#4df3f0")

Accessibility — WCAG contrast

Aa
#4df3f0 on white: 1.36:1
AA ✗ fail · AA-large · AAA
Aa
#4df3f0 on black: 15.39:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red30.2%
Green95.3%
Blue94.1%

CMYK percentages

Cyan68.3%
Magenta0.0%
Yellow1.2%
Key (black)4.7%

Color previews

#4df3f0 text on a black background

contrast 15.39:1

Card sample

#4df3f0 text on a white background

contrast 1.36:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #4df3f0;
Background color
Panel with #4df3f0 background
background-color: #4df3f0;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #4df3f0;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(77, 243, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 243, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4df3f0;
background: linear-gradient(135deg, #4df3f0, #4D87F3);

Monochromatic scale

Palettes built from #4df3f0

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #4df3f0 in the Color Lab