#51f5df
a balanced, electric cyan · cool · closest name: turquoise
RGB
81, 245, 223
HSL
172°, 89%, 64%
CMYK
67, 0, 9, 4
Luminance
0.7238
Every format
| HEX | #51f5df |
| RGB | rgb(81, 245, 223) |
| HSL | hsl(172, 89%, 64%) |
| CMYK | cmyk(67%, 0%, 9%, 4%) |
| LAB | lab(88.2 -47.0 -1.8) |
| LCH | lch(88.2 47.1 182.2) |
| OKLCH | oklch(0.881 0.138 182.3) |
Copy-ready code
/* CSS */
color: #51f5df;
background-color: #51f5df;
/* Tailwind (arbitrary) */
class="text-[#51f5df] bg-[#51f5df]"
/* SCSS */
$brand: #51f5df;
/* SwiftUI */
Color(red: 0.318, green: 0.961, blue: 0.875)
/* Android */
Color.parseColor("#51f5df")Accessibility — WCAG contrast
Aa
#51f5df on white: 1.36:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51f5df on black: 15.48:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green96.1%
Blue87.5%
CMYK percentages
Cyan66.9%
Magenta0.0%
Yellow9.0%
Key (black)3.9%
Color previews
#51f5df text on a black background
contrast 15.48:1
Card sample
#51f5df text on a white background
contrast 1.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51f5df;
Background color
Panel with #51f5df background
background-color: #51f5df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51f5df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 245, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 245, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51f5df; background: linear-gradient(135deg, #51f5df, #519DF5);