#51dfb2
a balanced, vivid cyan · cool · closest name: aquamarine
RGB
81, 223, 178
HSL
161°, 69%, 60%
CMYK
64, 0, 20, 13
Luminance
0.5774
Every format
| HEX | #51dfb2 |
| RGB | rgb(81, 223, 178) |
| HSL | hsl(161, 69%, 60%) |
| CMYK | cmyk(64%, 0%, 20%, 13%) |
| LAB | lab(80.6 -48.6 10.9) |
| LCH | lch(80.6 49.8 167.3) |
| OKLCH | oklch(0.815 0.138 168.3) |
Copy-ready code
/* CSS */
color: #51dfb2;
background-color: #51dfb2;
/* Tailwind (arbitrary) */
class="text-[#51dfb2] bg-[#51dfb2]"
/* SCSS */
$brand: #51dfb2;
/* SwiftUI */
Color(red: 0.318, green: 0.875, blue: 0.698)
/* Android */
Color.parseColor("#51dfb2")Accessibility — WCAG contrast
Aa
#51dfb2 on white: 1.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51dfb2 on black: 12.55:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green87.5%
Blue69.8%
CMYK percentages
Cyan63.7%
Magenta0.0%
Yellow20.2%
Key (black)12.5%
Color previews
#51dfb2 text on a black background
contrast 12.55:1
Card sample
#51dfb2 text on a white background
contrast 1.67:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51dfb2;
Background color
Panel with #51dfb2 background
background-color: #51dfb2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51dfb2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 223, 178, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 223, 178, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51dfb2; background: linear-gradient(135deg, #51dfb2, #51ADDF);