#51df7f
a balanced, vivid green · cool · closest name: forestgreen
RGB
81, 223, 127
HSL
139°, 69%, 60%
CMYK
64, 0, 43, 13
Luminance
0.5606
Every format
| HEX | #51df7f |
| RGB | rgb(81, 223, 127) |
| HSL | hsl(139, 69%, 60%) |
| CMYK | cmyk(64%, 0%, 43%, 13%) |
| LAB | lab(79.6 -58.7 36.0) |
| LCH | lch(79.6 68.9 148.4) |
| OKLCH | oklch(0.804 0.182 150.7) |
Copy-ready code
/* CSS */
color: #51df7f;
background-color: #51df7f;
/* Tailwind (arbitrary) */
class="text-[#51df7f] bg-[#51df7f]"
/* SCSS */
$brand: #51df7f;
/* SwiftUI */
Color(red: 0.318, green: 0.875, blue: 0.498)
/* Android */
Color.parseColor("#51df7f")Accessibility — WCAG contrast
Aa
#51df7f on white: 1.72:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51df7f on black: 12.21:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green87.5%
Blue49.8%
CMYK percentages
Cyan63.7%
Magenta0.0%
Yellow43.0%
Key (black)12.5%
Color previews
#51df7f text on a black background
contrast 12.21:1
Card sample
#51df7f text on a white background
contrast 1.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51df7f;
Background color
Panel with #51df7f background
background-color: #51df7f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51df7f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 223, 127, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 223, 127, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51df7f; background: linear-gradient(135deg, #51df7f, #51DFDE);