#4df8db
a balanced, electric cyan · cool · closest name: aquamarine
RGB
77, 248, 219
HSL
170°, 92%, 64%
CMYK
69, 0, 12, 3
Luminance
0.7383
Every format
| HEX | #4df8db |
| RGB | rgb(77, 248, 219) |
| HSL | hsl(170, 92%, 64%) |
| CMYK | cmyk(69%, 0%, 12%, 3%) |
| LAB | lab(88.8 -49.9 1.3) |
| LCH | lch(88.8 49.9 178.5) |
| OKLCH | oklch(0.886 0.144 178.9) |
Copy-ready code
/* CSS */
color: #4df8db;
background-color: #4df8db;
/* Tailwind (arbitrary) */
class="text-[#4df8db] bg-[#4df8db]"
/* SCSS */
$brand: #4df8db;
/* SwiftUI */
Color(red: 0.302, green: 0.973, blue: 0.859)
/* Android */
Color.parseColor("#4df8db")Accessibility — WCAG contrast
Aa
#4df8db on white: 1.33:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4df8db on black: 15.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.2%
Green97.3%
Blue85.9%
CMYK percentages
Cyan69.0%
Magenta0.0%
Yellow11.7%
Key (black)2.7%
Color previews
#4df8db text on a black background
contrast 15.77:1
Card sample
#4df8db text on a white background
contrast 1.33:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4df8db;
Background color
Panel with #4df8db background
background-color: #4df8db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4df8db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(77, 248, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 248, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4df8db; background: linear-gradient(135deg, #4df8db, #4DA3F8);