#51cddf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
81, 205, 223
HSL
188°, 69%, 60%
CMYK
64, 8, 0, 13
Luminance
0.5074
Every format
| HEX | #51cddf |
| RGB | rgb(81, 205, 223) |
| HSL | hsl(188, 69%, 60%) |
| CMYK | cmyk(64%, 8%, 0%, 13%) |
| LAB | lab(76.5 -28.7 -19.1) |
| LCH | lch(76.5 34.5 213.6) |
| OKLCH | oklch(0.786 0.111 208.5) |
Copy-ready code
/* CSS */
color: #51cddf;
background-color: #51cddf;
/* Tailwind (arbitrary) */
class="text-[#51cddf] bg-[#51cddf]"
/* SCSS */
$brand: #51cddf;
/* SwiftUI */
Color(red: 0.318, green: 0.804, blue: 0.875)
/* Android */
Color.parseColor("#51cddf")Accessibility — WCAG contrast
Aa
#51cddf on white: 1.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51cddf on black: 11.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green80.4%
Blue87.5%
CMYK percentages
Cyan63.7%
Magenta8.1%
Yellow0.0%
Key (black)12.5%
Color previews
#51cddf text on a black background
contrast 11.15:1
Card sample
#51cddf text on a white background
contrast 1.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51cddf;
Background color
Panel with #51cddf background
background-color: #51cddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51cddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 205, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 205, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51cddf; background: linear-gradient(135deg, #51cddf, #516EDF);