#51dfdb
a balanced, vivid cyan · cool · closest name: turquoise
RGB
81, 223, 219
HSL
178°, 69%, 60%
CMYK
64, 0, 2, 13
Luminance
0.5964
Every format
| HEX | #51dfdb |
| RGB | rgb(81, 223, 219) |
| HSL | hsl(178, 69%, 60%) |
| CMYK | cmyk(64%, 0%, 2%, 13%) |
| LAB | lab(81.6 -38.3 -9.3) |
| LCH | lch(81.6 39.4 193.6) |
| OKLCH | oklch(0.827 0.120 192.4) |
Copy-ready code
/* CSS */
color: #51dfdb;
background-color: #51dfdb;
/* Tailwind (arbitrary) */
class="text-[#51dfdb] bg-[#51dfdb]"
/* SCSS */
$brand: #51dfdb;
/* SwiftUI */
Color(red: 0.318, green: 0.875, blue: 0.859)
/* Android */
Color.parseColor("#51dfdb")Accessibility — WCAG contrast
Aa
#51dfdb on white: 1.62:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51dfdb on black: 12.93:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green87.5%
Blue85.9%
CMYK percentages
Cyan63.7%
Magenta0.0%
Yellow1.8%
Key (black)12.5%
Color previews
#51dfdb text on a black background
contrast 12.93:1
Card sample
#51dfdb text on a white background
contrast 1.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51dfdb;
Background color
Panel with #51dfdb background
background-color: #51dfdb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51dfdb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 223, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 223, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51dfdb; background: linear-gradient(135deg, #51dfdb, #5184DF);