#51fdfb
a light, electric cyan · cool · closest name: cyan
RGB
81, 253, 251
HSL
179°, 98%, 66%
CMYK
68, 0, 1, 1
Luminance
0.7896
Every format
| HEX | #51fdfb |
| RGB | rgb(81, 253, 251) |
| HSL | hsl(179, 98%, 66%) |
| CMYK | cmyk(68%, 0%, 1%, 1%) |
| LAB | lab(91.2 -43.2 -11.8) |
| LCH | lch(91.2 44.8 195.3) |
| OKLCH | oklch(0.908 0.137 193.9) |
Copy-ready code
/* CSS */
color: #51fdfb;
background-color: #51fdfb;
/* Tailwind (arbitrary) */
class="text-[#51fdfb] bg-[#51fdfb]"
/* SCSS */
$brand: #51fdfb;
/* SwiftUI */
Color(red: 0.318, green: 0.992, blue: 0.984)
/* Android */
Color.parseColor("#51fdfb")Accessibility — WCAG contrast
Aa
#51fdfb on white: 1.25:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51fdfb on black: 16.79:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green99.2%
Blue98.4%
CMYK percentages
Cyan68.0%
Magenta0.0%
Yellow0.8%
Key (black)0.8%
Color previews
#51fdfb text on a black background
contrast 16.79:1
Card sample
#51fdfb text on a white background
contrast 1.25:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51fdfb;
Background color
Panel with #51fdfb background
background-color: #51fdfb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51fdfb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 253, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 253, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51fdfb; background: linear-gradient(135deg, #51fdfb, #518CFD);