#4efffd
a light, electric cyan · cool · closest name: cyan
RGB
78, 255, 253
HSL
179°, 100%, 65%
CMYK
69, 0, 1, 0
Luminance
0.8023
Every format
| HEX | #4efffd |
| RGB | rgb(78, 255, 253) |
| HSL | hsl(179, 100%, 65%) |
| CMYK | cmyk(69%, 0%, 1%, 0%) |
| LAB | lab(91.8 -43.9 -12.0) |
| LCH | lch(91.8 45.5 195.3) |
| OKLCH | oklch(0.913 0.140 193.9) |
Copy-ready code
/* CSS */
color: #4efffd;
background-color: #4efffd;
/* Tailwind (arbitrary) */
class="text-[#4efffd] bg-[#4efffd]"
/* SCSS */
$brand: #4efffd;
/* SwiftUI */
Color(red: 0.306, green: 1.000, blue: 0.992)
/* Android */
Color.parseColor("#4efffd")Accessibility — WCAG contrast
Aa
#4efffd on white: 1.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4efffd on black: 17.05:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.6%
Green100.0%
Blue99.2%
CMYK percentages
Cyan69.4%
Magenta0.0%
Yellow0.8%
Key (black)0.0%
Color previews
#4efffd text on a black background
contrast 17.05:1
Card sample
#4efffd text on a white background
contrast 1.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4efffd;
Background color
Panel with #4efffd background
background-color: #4efffd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4efffd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(78, 255, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(78, 255, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4efffd; background: linear-gradient(135deg, #4efffd, #4E8BFF);