#51dbb2
a balanced, vivid cyan · cool · closest name: aquamarine
RGB
81, 219, 178
HSL
162°, 66%, 59%
CMYK
63, 0, 19, 14
Luminance
0.5563
Every format
| HEX | #51dbb2 |
| RGB | rgb(81, 219, 178) |
| HSL | hsl(162, 66%, 59%) |
| CMYK | cmyk(63%, 0%, 19%, 14%) |
| LAB | lab(79.4 -46.9 9.3) |
| LCH | lch(79.4 47.8 168.8) |
| OKLCH | oklch(0.806 0.134 169.8) |
Copy-ready code
/* CSS */
color: #51dbb2;
background-color: #51dbb2;
/* Tailwind (arbitrary) */
class="text-[#51dbb2] bg-[#51dbb2]"
/* SCSS */
$brand: #51dbb2;
/* SwiftUI */
Color(red: 0.318, green: 0.859, blue: 0.698)
/* Android */
Color.parseColor("#51dbb2")Accessibility — WCAG contrast
Aa
#51dbb2 on white: 1.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51dbb2 on black: 12.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green85.9%
Blue69.8%
CMYK percentages
Cyan63.0%
Magenta0.0%
Yellow18.7%
Key (black)14.1%
Color previews
#51dbb2 text on a black background
contrast 12.13:1
Card sample
#51dbb2 text on a white background
contrast 1.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51dbb2;
Background color
Panel with #51dbb2 background
background-color: #51dbb2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51dbb2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 219, 178, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 219, 178, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51dbb2; background: linear-gradient(135deg, #51dbb2, #51A8DB);