#51cfdf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
81, 207, 223
HSL
187°, 69%, 60%
CMYK
64, 7, 0, 13
Luminance
0.5170
Every format
| HEX | #51cfdf |
| RGB | rgb(81, 207, 223) |
| HSL | hsl(187, 69%, 60%) |
| CMYK | cmyk(64%, 7%, 0%, 13%) |
| LAB | lab(77.1 -29.7 -18.2) |
| LCH | lch(77.1 34.8 211.5) |
| OKLCH | oklch(0.791 0.112 206.9) |
Copy-ready code
/* CSS */
color: #51cfdf;
background-color: #51cfdf;
/* Tailwind (arbitrary) */
class="text-[#51cfdf] bg-[#51cfdf]"
/* SCSS */
$brand: #51cfdf;
/* SwiftUI */
Color(red: 0.318, green: 0.812, blue: 0.875)
/* Android */
Color.parseColor("#51cfdf")Accessibility — WCAG contrast
Aa
#51cfdf on white: 1.85:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51cfdf on black: 11.34:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green81.2%
Blue87.5%
CMYK percentages
Cyan63.7%
Magenta7.2%
Yellow0.0%
Key (black)12.5%
Color previews
#51cfdf text on a black background
contrast 11.34:1
Card sample
#51cfdf text on a white background
contrast 1.85:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51cfdf;
Background color
Panel with #51cfdf background
background-color: #51cfdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51cfdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 207, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 207, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51cfdf; background: linear-gradient(135deg, #51cfdf, #5170DF);