#4efaff
a light, electric cyan · cool · closest name: cyan
RGB
78, 250, 255
HSL
182°, 100%, 65%
CMYK
69, 2, 0, 0
Luminance
0.7721
Every format
| HEX | #4efaff |
| RGB | rgb(78, 250, 255) |
| HSL | hsl(182, 100%, 65%) |
| CMYK | cmyk(69%, 2%, 0%, 0%) |
| LAB | lab(90.4 -41.1 -15.1) |
| LCH | lch(90.4 43.8 200.2) |
| OKLCH | oklch(0.902 0.137 197.9) |
Copy-ready code
/* CSS */
color: #4efaff;
background-color: #4efaff;
/* Tailwind (arbitrary) */
class="text-[#4efaff] bg-[#4efaff]"
/* SCSS */
$brand: #4efaff;
/* SwiftUI */
Color(red: 0.306, green: 0.980, blue: 1.000)
/* Android */
Color.parseColor("#4efaff")Accessibility — WCAG contrast
Aa
#4efaff on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4efaff on black: 16.44:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.6%
Green98.0%
Blue100.0%
CMYK percentages
Cyan69.4%
Magenta2.0%
Yellow0.0%
Key (black)0.0%
Color previews
#4efaff text on a black background
contrast 16.44:1
Card sample
#4efaff text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4efaff;
Background color
Panel with #4efaff background
background-color: #4efaff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4efaff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(78, 250, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(78, 250, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4efaff; background: linear-gradient(135deg, #4efaff, #4E84FF);