#4df9ff
a light, electric cyan · cool · closest name: cyan
RGB
77, 249, 255
HSL
182°, 100%, 65%
CMYK
70, 2, 0, 0
Luminance
0.7655
Every format
| HEX | #4df9ff |
| RGB | rgb(77, 249, 255) |
| HSL | hsl(182, 100%, 65%) |
| CMYK | cmyk(70%, 2%, 0%, 0%) |
| LAB | lab(90.1 -40.8 -15.6) |
| LCH | lch(90.1 43.6 200.9) |
| OKLCH | oklch(0.899 0.136 198.5) |
Copy-ready code
/* CSS */
color: #4df9ff;
background-color: #4df9ff;
/* Tailwind (arbitrary) */
class="text-[#4df9ff] bg-[#4df9ff]"
/* SCSS */
$brand: #4df9ff;
/* SwiftUI */
Color(red: 0.302, green: 0.976, blue: 1.000)
/* Android */
Color.parseColor("#4df9ff")Accessibility — WCAG contrast
Aa
#4df9ff on white: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4df9ff on black: 16.31:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.2%
Green97.6%
Blue100.0%
CMYK percentages
Cyan69.8%
Magenta2.4%
Yellow0.0%
Key (black)0.0%
Color previews
#4df9ff text on a black background
contrast 16.31:1
Card sample
#4df9ff text on a white background
contrast 1.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4df9ff;
Background color
Panel with #4df9ff background
background-color: #4df9ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4df9ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(77, 249, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 249, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4df9ff; background: linear-gradient(135deg, #4df9ff, #4D82FF);