#4df3f9
a balanced, electric cyan · cool · closest name: cyan
RGB
77, 243, 249
HSL
182°, 94%, 64%
CMYK
69, 2, 0, 2
Luminance
0.7252
Every format
| HEX | #4df3f9 |
| RGB | rgb(77, 243, 249) |
| HSL | hsl(182, 94%, 64%) |
| CMYK | cmyk(69%, 2%, 0%, 2%) |
| LAB | lab(88.2 -39.7 -15.3) |
| LCH | lch(88.2 42.6 201.0) |
| OKLCH | oklch(0.883 0.133 198.6) |
Copy-ready code
/* CSS */
color: #4df3f9;
background-color: #4df3f9;
/* Tailwind (arbitrary) */
class="text-[#4df3f9] bg-[#4df3f9]"
/* SCSS */
$brand: #4df3f9;
/* SwiftUI */
Color(red: 0.302, green: 0.953, blue: 0.976)
/* Android */
Color.parseColor("#4df3f9")Accessibility — WCAG contrast
Aa
#4df3f9 on white: 1.35:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4df3f9 on black: 15.50:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.2%
Green95.3%
Blue97.6%
CMYK percentages
Cyan69.1%
Magenta2.4%
Yellow0.0%
Key (black)2.4%
Color previews
#4df3f9 text on a black background
contrast 15.50:1
Card sample
#4df3f9 text on a white background
contrast 1.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4df3f9;
Background color
Panel with #4df3f9 background
background-color: #4df3f9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4df3f9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(77, 243, 249, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 243, 249, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4df3f9; background: linear-gradient(135deg, #4df3f9, #4D80F9);