#51cc21
a balanced, vivid green · cool · closest name: lime
RGB
81, 204, 33
HSL
103°, 72%, 47%
CMYK
60, 0, 84, 20
Luminance
0.4504
Every format
| HEX | #51cc21 |
| RGB | rgb(81, 204, 33) |
| HSL | hsl(103, 72%, 47%) |
| CMYK | cmyk(60%, 0%, 84%, 20%) |
| LAB | lab(72.9 -61.8 66.8) |
| LCH | lch(72.9 91.0 132.8) |
| OKLCH | oklch(0.746 0.225 139.2) |
Copy-ready code
/* CSS */
color: #51cc21;
background-color: #51cc21;
/* Tailwind (arbitrary) */
class="text-[#51cc21] bg-[#51cc21]"
/* SCSS */
$brand: #51cc21;
/* SwiftUI */
Color(red: 0.318, green: 0.800, blue: 0.129)
/* Android */
Color.parseColor("#51cc21")Accessibility — WCAG contrast
Aa
#51cc21 on white: 2.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51cc21 on black: 10.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green80.0%
Blue12.9%
CMYK percentages
Cyan60.3%
Magenta0.0%
Yellow83.8%
Key (black)20.0%
Color previews
#51cc21 text on a black background
contrast 10.01:1
Card sample
#51cc21 text on a white background
contrast 2.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51cc21;
Background color
Panel with #51cc21 background
background-color: #51cc21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51cc21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 204, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 204, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51cc21; background: linear-gradient(135deg, #51cc21, #21CC63);