#51ac00
a dark, electric green · cool · closest name: green
RGB
81, 172, 0
HSL
92°, 100%, 34%
CMYK
53, 0, 100, 33
Luminance
0.3125
Every format
| HEX | #51ac00 |
| RGB | rgb(81, 172, 0) |
| HSL | hsl(92, 100%, 34%) |
| CMYK | cmyk(53%, 0%, 100%, 33%) |
| LAB | lab(62.7 -51.4 63.7) |
| LCH | lch(62.7 81.9 128.9) |
| OKLCH | oklch(0.662 0.198 136.4) |
Copy-ready code
/* CSS */
color: #51ac00;
background-color: #51ac00;
/* Tailwind (arbitrary) */
class="text-[#51ac00] bg-[#51ac00]"
/* SCSS */
$brand: #51ac00;
/* SwiftUI */
Color(red: 0.318, green: 0.675, blue: 0.000)
/* Android */
Color.parseColor("#51ac00")Accessibility — WCAG contrast
Aa
#51ac00 on white: 2.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51ac00 on black: 7.25:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green67.5%
Blue0.0%
CMYK percentages
Cyan52.9%
Magenta0.0%
Yellow100.0%
Key (black)32.5%
Color previews
#51ac00 text on a black background
contrast 7.25:1
Card sample
#51ac00 text on a white background
contrast 2.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51ac00;
Background color
Panel with #51ac00 background
background-color: #51ac00;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51ac00;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 172, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 172, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51ac00; background: linear-gradient(135deg, #51ac00, #00AC22);