#51df4f
a balanced, vivid green · cool · closest name: lime
RGB
81, 223, 79
HSL
119°, 69%, 59%
CMYK
64, 0, 65, 13
Luminance
0.5509
Every format
| HEX | #51df4f |
| RGB | rgb(81, 223, 79) |
| HSL | hsl(119, 69%, 59%) |
| CMYK | cmyk(64%, 0%, 65%, 13%) |
| LAB | lab(79.1 -65.0 57.6) |
| LCH | lch(79.1 86.8 138.5) |
| OKLCH | oklch(0.798 0.221 143.0) |
Copy-ready code
/* CSS */
color: #51df4f;
background-color: #51df4f;
/* Tailwind (arbitrary) */
class="text-[#51df4f] bg-[#51df4f]"
/* SCSS */
$brand: #51df4f;
/* SwiftUI */
Color(red: 0.318, green: 0.875, blue: 0.310)
/* Android */
Color.parseColor("#51df4f")Accessibility — WCAG contrast
Aa
#51df4f on white: 1.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51df4f on black: 12.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green87.5%
Blue31.0%
CMYK percentages
Cyan63.7%
Magenta0.0%
Yellow64.6%
Key (black)12.5%
Color previews
#51df4f text on a black background
contrast 12.02:1
Card sample
#51df4f text on a white background
contrast 1.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51df4f;
Background color
Panel with #51df4f background
background-color: #51df4f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51df4f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 223, 79, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 223, 79, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51df4f; background: linear-gradient(135deg, #51df4f, #4FDFAD);