#51f2ac
a balanced, electric green · cool · closest name: aquamarine
RGB
81, 242, 172
HSL
154°, 86%, 63%
CMYK
67, 0, 29, 5
Luminance
0.6823
Every format
| HEX | #51f2ac |
| RGB | rgb(81, 242, 172) |
| HSL | hsl(154, 86%, 63%) |
| CMYK | cmyk(67%, 0%, 29%, 5%) |
| LAB | lab(86.1 -57.6 21.8) |
| LCH | lch(86.1 61.6 159.2) |
| OKLCH | oklch(0.860 0.167 160.6) |
Copy-ready code
/* CSS */
color: #51f2ac;
background-color: #51f2ac;
/* Tailwind (arbitrary) */
class="text-[#51f2ac] bg-[#51f2ac]"
/* SCSS */
$brand: #51f2ac;
/* SwiftUI */
Color(red: 0.318, green: 0.949, blue: 0.675)
/* Android */
Color.parseColor("#51f2ac")Accessibility — WCAG contrast
Aa
#51f2ac on white: 1.43:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51f2ac on black: 14.65:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green94.9%
Blue67.5%
CMYK percentages
Cyan66.5%
Magenta0.0%
Yellow28.9%
Key (black)5.1%
Color previews
#51f2ac text on a black background
contrast 14.65:1
Card sample
#51f2ac text on a white background
contrast 1.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51f2ac;
Background color
Panel with #51f2ac background
background-color: #51f2ac;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51f2ac;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 242, 172, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 242, 172, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51f2ac; background: linear-gradient(135deg, #51f2ac, #51CDF2);