#51bc21
a dark, vivid green · cool · closest name: forestgreen
RGB
81, 188, 33
HSL
101°, 70%, 43%
CMYK
57, 0, 82, 26
Luminance
0.3783
Every format
| HEX | #51bc21 |
| RGB | rgb(81, 188, 33) |
| HSL | hsl(101, 70%, 43%) |
| CMYK | cmyk(57%, 0%, 82%, 26%) |
| LAB | lab(67.9 -56.2 62.3) |
| LCH | lch(67.9 83.9 132.1) |
| OKLCH | oklch(0.705 0.207 138.5) |
Copy-ready code
/* CSS */
color: #51bc21;
background-color: #51bc21;
/* Tailwind (arbitrary) */
class="text-[#51bc21] bg-[#51bc21]"
/* SCSS */
$brand: #51bc21;
/* SwiftUI */
Color(red: 0.318, green: 0.737, blue: 0.129)
/* Android */
Color.parseColor("#51bc21")Accessibility — WCAG contrast
Aa
#51bc21 on white: 2.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51bc21 on black: 8.57:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green73.7%
Blue12.9%
CMYK percentages
Cyan56.9%
Magenta0.0%
Yellow82.4%
Key (black)26.3%
Color previews
#51bc21 text on a black background
contrast 8.57:1
Card sample
#51bc21 text on a white background
contrast 2.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51bc21;
Background color
Panel with #51bc21 background
background-color: #51bc21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51bc21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 188, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 188, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51bc21; background: linear-gradient(135deg, #51bc21, #21BC58);