#3fffea
a balanced, electric cyan · cool · closest name: cyan
RGB
63, 255, 234
HSL
173°, 100%, 62%
CMYK
75, 0, 8, 0
Luminance
0.7852
Every format
| HEX | #3fffea |
| RGB | rgb(63, 255, 234) |
| HSL | hsl(173, 100%, 62%) |
| CMYK | cmyk(75%, 0%, 8%, 0%) |
| LAB | lab(91.0 -50.6 -3.3) |
| LCH | lch(91.0 50.7 183.8) |
| OKLCH | oklch(0.904 0.149 183.8) |
Copy-ready code
/* CSS */
color: #3fffea;
background-color: #3fffea;
/* Tailwind (arbitrary) */
class="text-[#3fffea] bg-[#3fffea]"
/* SCSS */
$brand: #3fffea;
/* SwiftUI */
Color(red: 0.247, green: 1.000, blue: 0.918)
/* Android */
Color.parseColor("#3fffea")Accessibility — WCAG contrast
Aa
#3fffea on white: 1.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fffea on black: 16.70:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green100.0%
Blue91.8%
CMYK percentages
Cyan75.3%
Magenta0.0%
Yellow8.2%
Key (black)0.0%
Color previews
#3fffea text on a black background
contrast 16.70:1
Card sample
#3fffea text on a white background
contrast 1.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fffea;
Background color
Panel with #3fffea background
background-color: #3fffea;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fffea;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 255, 234, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 255, 234, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fffea; background: linear-gradient(135deg, #3fffea, #3F94FF);