#57c921
a balanced, vivid green · cool · closest name: green
RGB
87, 201, 33
HSL
101°, 72%, 46%
CMYK
57, 0, 84, 21
Luminance
0.4391
Every format
| HEX | #57c921 |
| RGB | rgb(87, 201, 33) |
| HSL | hsl(101, 72%, 46%) |
| CMYK | cmyk(57%, 0%, 84%, 21%) |
| LAB | lab(72.2 -59.3 66.2) |
| LCH | lch(72.2 88.9 131.8) |
| OKLCH | oklch(0.741 0.219 138.4) |
Copy-ready code
/* CSS */
color: #57c921;
background-color: #57c921;
/* Tailwind (arbitrary) */
class="text-[#57c921] bg-[#57c921]"
/* SCSS */
$brand: #57c921;
/* SwiftUI */
Color(red: 0.341, green: 0.788, blue: 0.129)
/* Android */
Color.parseColor("#57c921")Accessibility — WCAG contrast
Aa
#57c921 on white: 2.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57c921 on black: 9.78:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green78.8%
Blue12.9%
CMYK percentages
Cyan56.7%
Magenta0.0%
Yellow83.6%
Key (black)21.2%
Color previews
#57c921 text on a black background
contrast 9.78:1
Card sample
#57c921 text on a white background
contrast 2.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57c921;
Background color
Panel with #57c921 background
background-color: #57c921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57c921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 201, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 201, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57c921; background: linear-gradient(135deg, #57c921, #21C95B);