#51f2cf
a balanced, electric cyan · cool · closest name: aquamarine
RGB
81, 242, 207
HSL
167°, 86%, 63%
CMYK
67, 0, 15, 5
Luminance
0.6976
Every format
| HEX | #51f2cf |
| RGB | rgb(81, 242, 207) |
| HSL | hsl(167, 86%, 63%) |
| CMYK | cmyk(67%, 0%, 15%, 5%) |
| LAB | lab(86.9 -49.7 4.7) |
| LCH | lch(86.9 50.0 174.6) |
| OKLCH | oklch(0.869 0.142 175.2) |
Copy-ready code
/* CSS */
color: #51f2cf;
background-color: #51f2cf;
/* Tailwind (arbitrary) */
class="text-[#51f2cf] bg-[#51f2cf]"
/* SCSS */
$brand: #51f2cf;
/* SwiftUI */
Color(red: 0.318, green: 0.949, blue: 0.812)
/* Android */
Color.parseColor("#51f2cf")Accessibility — WCAG contrast
Aa
#51f2cf on white: 1.40:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51f2cf on black: 14.95:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green94.9%
Blue81.2%
CMYK percentages
Cyan66.5%
Magenta0.0%
Yellow14.5%
Key (black)5.1%
Color previews
#51f2cf text on a black background
contrast 14.95:1
Card sample
#51f2cf text on a white background
contrast 1.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51f2cf;
Background color
Panel with #51f2cf background
background-color: #51f2cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51f2cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 242, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 242, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51f2cf; background: linear-gradient(135deg, #51f2cf, #51A9F2);