#51f7df
a balanced, electric cyan · cool · closest name: turquoise
RGB
81, 247, 223
HSL
171°, 91%, 64%
CMYK
67, 0, 10, 3
Luminance
0.7360
Every format
| HEX | #51f7df |
| RGB | rgb(81, 247, 223) |
| HSL | hsl(171, 91%, 64%) |
| CMYK | cmyk(67%, 0%, 10%, 3%) |
| LAB | lab(88.7 -47.9 -0.9) |
| LCH | lch(88.7 47.9 181.1) |
| OKLCH | oklch(0.885 0.139 181.3) |
Copy-ready code
/* CSS */
color: #51f7df;
background-color: #51f7df;
/* Tailwind (arbitrary) */
class="text-[#51f7df] bg-[#51f7df]"
/* SCSS */
$brand: #51f7df;
/* SwiftUI */
Color(red: 0.318, green: 0.969, blue: 0.875)
/* Android */
Color.parseColor("#51f7df")Accessibility — WCAG contrast
Aa
#51f7df on white: 1.34:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51f7df on black: 15.72:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green96.9%
Blue87.5%
CMYK percentages
Cyan67.2%
Magenta0.0%
Yellow9.7%
Key (black)3.1%
Color previews
#51f7df text on a black background
contrast 15.72:1
Card sample
#51f7df text on a white background
contrast 1.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51f7df;
Background color
Panel with #51f7df background
background-color: #51f7df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51f7df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 247, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 247, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51f7df; background: linear-gradient(135deg, #51f7df, #51A0F7);