#51df3f
a balanced, vivid green · cool · closest name: lime
RGB
81, 223, 63
HSL
113°, 71%, 56%
CMYK
64, 0, 72, 13
Luminance
0.5488
Every format
| HEX | #51df3f |
| RGB | rgb(81, 223, 63) |
| HSL | hsl(113, 71%, 56%) |
| CMYK | cmyk(64%, 0%, 72%, 13%) |
| LAB | lab(79.0 -66.4 63.6) |
| LCH | lch(79.0 91.9 136.2) |
| OKLCH | oklch(0.797 0.232 141.5) |
Copy-ready code
/* CSS */
color: #51df3f;
background-color: #51df3f;
/* Tailwind (arbitrary) */
class="text-[#51df3f] bg-[#51df3f]"
/* SCSS */
$brand: #51df3f;
/* SwiftUI */
Color(red: 0.318, green: 0.875, blue: 0.247)
/* Android */
Color.parseColor("#51df3f")Accessibility — WCAG contrast
Aa
#51df3f on white: 1.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51df3f on black: 11.98:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green87.5%
Blue24.7%
CMYK percentages
Cyan63.7%
Magenta0.0%
Yellow71.7%
Key (black)12.5%
Color previews
#51df3f text on a black background
contrast 11.98:1
Card sample
#51df3f text on a white background
contrast 1.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51df3f;
Background color
Panel with #51df3f background
background-color: #51df3f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51df3f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 223, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 223, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51df3f; background: linear-gradient(135deg, #51df3f, #3FDF98);