#4df3f5
a balanced, electric cyan · cool · closest name: cyan
RGB
77, 243, 245
HSL
181°, 89%, 63%
CMYK
69, 1, 0, 4
Luminance
0.7227
Every format
| HEX | #4df3f5 |
| RGB | rgb(77, 243, 245) |
| HSL | hsl(181, 89%, 63%) |
| CMYK | cmyk(69%, 1%, 0%, 4%) |
| LAB | lab(88.1 -40.8 -13.4) |
| LCH | lch(88.1 43.0 198.1) |
| OKLCH | oklch(0.882 0.133 196.2) |
Copy-ready code
/* CSS */
color: #4df3f5;
background-color: #4df3f5;
/* Tailwind (arbitrary) */
class="text-[#4df3f5] bg-[#4df3f5]"
/* SCSS */
$brand: #4df3f5;
/* SwiftUI */
Color(red: 0.302, green: 0.953, blue: 0.961)
/* Android */
Color.parseColor("#4df3f5")Accessibility — WCAG contrast
Aa
#4df3f5 on white: 1.36:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4df3f5 on black: 15.45:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.2%
Green95.3%
Blue96.1%
CMYK percentages
Cyan68.6%
Magenta0.8%
Yellow0.0%
Key (black)3.9%
Color previews
#4df3f5 text on a black background
contrast 15.45:1
Card sample
#4df3f5 text on a white background
contrast 1.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4df3f5;
Background color
Panel with #4df3f5 background
background-color: #4df3f5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4df3f5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(77, 243, 245, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 243, 245, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4df3f5; background: linear-gradient(135deg, #4df3f5, #4D83F5);