#4df9f0
a balanced, electric cyan · cool · closest name: cyan
RGB
77, 249, 240
HSL
177°, 94%, 64%
CMYK
69, 0, 4, 2
Luminance
0.7562
Every format
| HEX | #4df9f0 |
| RGB | rgb(77, 249, 240) |
| HSL | hsl(177, 94%, 64%) |
| CMYK | cmyk(69%, 0%, 4%, 2%) |
| LAB | lab(89.7 -44.9 -8.4) |
| LCH | lch(89.7 45.6 190.6) |
| OKLCH | oklch(0.894 0.138 189.8) |
Copy-ready code
/* CSS */
color: #4df9f0;
background-color: #4df9f0;
/* Tailwind (arbitrary) */
class="text-[#4df9f0] bg-[#4df9f0]"
/* SCSS */
$brand: #4df9f0;
/* SwiftUI */
Color(red: 0.302, green: 0.976, blue: 0.941)
/* Android */
Color.parseColor("#4df9f0")Accessibility — WCAG contrast
Aa
#4df9f0 on white: 1.30:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4df9f0 on black: 16.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.2%
Green97.6%
Blue94.1%
CMYK percentages
Cyan69.1%
Magenta0.0%
Yellow3.6%
Key (black)2.4%
Color previews
#4df9f0 text on a black background
contrast 16.12:1
Card sample
#4df9f0 text on a white background
contrast 1.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4df9f0;
Background color
Panel with #4df9f0 background
background-color: #4df9f0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4df9f0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(77, 249, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 249, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4df9f0; background: linear-gradient(135deg, #4df9f0, #4D8FF9);