#51ccdf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
81, 204, 223
HSL
188°, 69%, 60%
CMYK
64, 9, 0, 13
Luminance
0.5026
Every format
| HEX | #51ccdf |
| RGB | rgb(81, 204, 223) |
| HSL | hsl(188, 69%, 60%) |
| CMYK | cmyk(64%, 9%, 0%, 13%) |
| LAB | lab(76.2 -28.2 -19.5) |
| LCH | lch(76.2 34.3 214.7) |
| OKLCH | oklch(0.784 0.111 209.3) |
Copy-ready code
/* CSS */
color: #51ccdf;
background-color: #51ccdf;
/* Tailwind (arbitrary) */
class="text-[#51ccdf] bg-[#51ccdf]"
/* SCSS */
$brand: #51ccdf;
/* SwiftUI */
Color(red: 0.318, green: 0.800, blue: 0.875)
/* Android */
Color.parseColor("#51ccdf")Accessibility — WCAG contrast
Aa
#51ccdf on white: 1.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51ccdf on black: 11.05:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green80.0%
Blue87.5%
CMYK percentages
Cyan63.7%
Magenta8.5%
Yellow0.0%
Key (black)12.5%
Color previews
#51ccdf text on a black background
contrast 11.05:1
Card sample
#51ccdf text on a white background
contrast 1.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51ccdf;
Background color
Panel with #51ccdf background
background-color: #51ccdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51ccdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 204, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 204, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51ccdf; background: linear-gradient(135deg, #51ccdf, #516DDF);