#51dcd3
a balanced, vivid cyan · cool · closest name: turquoise
RGB
81, 220, 211
HSL
176°, 67%, 59%
CMYK
63, 0, 4, 14
Luminance
0.5764
Every format
| HEX | #51dcd3 |
| RGB | rgb(81, 220, 211) |
| HSL | hsl(176, 67%, 59%) |
| CMYK | cmyk(63%, 0%, 4%, 14%) |
| LAB | lab(80.5 -39.1 -6.7) |
| LCH | lch(80.5 39.7 189.7) |
| OKLCH | oklch(0.818 0.119 189.0) |
Copy-ready code
/* CSS */
color: #51dcd3;
background-color: #51dcd3;
/* Tailwind (arbitrary) */
class="text-[#51dcd3] bg-[#51dcd3]"
/* SCSS */
$brand: #51dcd3;
/* SwiftUI */
Color(red: 0.318, green: 0.863, blue: 0.827)
/* Android */
Color.parseColor("#51dcd3")Accessibility — WCAG contrast
Aa
#51dcd3 on white: 1.68:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51dcd3 on black: 12.53:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green86.3%
Blue82.7%
CMYK percentages
Cyan63.2%
Magenta0.0%
Yellow4.1%
Key (black)13.7%
Color previews
#51dcd3 text on a black background
contrast 12.53:1
Card sample
#51dcd3 text on a white background
contrast 1.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51dcd3;
Background color
Panel with #51dcd3 background
background-color: #51dcd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51dcd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 220, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 220, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51dcd3; background: linear-gradient(135deg, #51dcd3, #5188DC);