#51faff
a light, electric cyan · cool · closest name: cyan
RGB
81, 250, 255
HSL
182°, 100%, 66%
CMYK
68, 2, 0, 0
Luminance
0.7734
Every format
| HEX | #51faff |
| RGB | rgb(81, 250, 255) |
| HSL | hsl(182, 100%, 66%) |
| CMYK | cmyk(68%, 2%, 0%, 0%) |
| LAB | lab(90.5 -40.7 -15.0) |
| LCH | lch(90.5 43.4 200.2) |
| OKLCH | oklch(0.902 0.135 197.9) |
Copy-ready code
/* CSS */
color: #51faff;
background-color: #51faff;
/* Tailwind (arbitrary) */
class="text-[#51faff] bg-[#51faff]"
/* SCSS */
$brand: #51faff;
/* SwiftUI */
Color(red: 0.318, green: 0.980, blue: 1.000)
/* Android */
Color.parseColor("#51faff")Accessibility — WCAG contrast
Aa
#51faff on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51faff on black: 16.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green98.0%
Blue100.0%
CMYK percentages
Cyan68.2%
Magenta2.0%
Yellow0.0%
Key (black)0.0%
Color previews
#51faff text on a black background
contrast 16.47:1
Card sample
#51faff text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51faff;
Background color
Panel with #51faff background
background-color: #51faff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51faff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 250, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 250, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51faff; background: linear-gradient(135deg, #51faff, #5186FF);