#51f6df
a balanced, electric cyan · cool · closest name: turquoise
RGB
81, 246, 223
HSL
172°, 90%, 64%
CMYK
67, 0, 9, 4
Luminance
0.7299
Every format
| HEX | #51f6df |
| RGB | rgb(81, 246, 223) |
| HSL | hsl(172, 90%, 64%) |
| CMYK | cmyk(67%, 0%, 9%, 4%) |
| LAB | lab(88.4 -47.5 -1.4) |
| LCH | lch(88.4 47.5 181.6) |
| OKLCH | oklch(0.883 0.138 181.8) |
Copy-ready code
/* CSS */
color: #51f6df;
background-color: #51f6df;
/* Tailwind (arbitrary) */
class="text-[#51f6df] bg-[#51f6df]"
/* SCSS */
$brand: #51f6df;
/* SwiftUI */
Color(red: 0.318, green: 0.965, blue: 0.875)
/* Android */
Color.parseColor("#51f6df")Accessibility — WCAG contrast
Aa
#51f6df on white: 1.35:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51f6df on black: 15.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green96.5%
Blue87.5%
CMYK percentages
Cyan67.1%
Magenta0.0%
Yellow9.3%
Key (black)3.5%
Color previews
#51f6df text on a black background
contrast 15.60:1
Card sample
#51f6df text on a white background
contrast 1.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51f6df;
Background color
Panel with #51f6df background
background-color: #51f6df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51f6df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 246, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 246, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51f6df; background: linear-gradient(135deg, #51f6df, #519FF6);