#51c521
a balanced, vivid green · cool · closest name: green
RGB
81, 197, 33
HSL
102°, 71%, 45%
CMYK
59, 0, 83, 23
Luminance
0.4179
Every format
| HEX | #51c521 |
| RGB | rgb(81, 197, 33) |
| HSL | hsl(102, 71%, 45%) |
| CMYK | cmyk(59%, 0%, 83%, 23%) |
| LAB | lab(70.7 -59.4 64.9) |
| LCH | lch(70.7 88.0 132.5) |
| OKLCH | oklch(0.728 0.217 138.9) |
Copy-ready code
/* CSS */
color: #51c521;
background-color: #51c521;
/* Tailwind (arbitrary) */
class="text-[#51c521] bg-[#51c521]"
/* SCSS */
$brand: #51c521;
/* SwiftUI */
Color(red: 0.318, green: 0.773, blue: 0.129)
/* Android */
Color.parseColor("#51c521")Accessibility — WCAG contrast
Aa
#51c521 on white: 2.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51c521 on black: 9.36:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green77.3%
Blue12.9%
CMYK percentages
Cyan58.9%
Magenta0.0%
Yellow83.2%
Key (black)22.7%
Color previews
#51c521 text on a black background
contrast 9.36:1
Card sample
#51c521 text on a white background
contrast 2.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51c521;
Background color
Panel with #51c521 background
background-color: #51c521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51c521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 197, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 197, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51c521; background: linear-gradient(135deg, #51c521, #21C55E);