#57c521
a balanced, vivid green · cool · closest name: green
RGB
87, 197, 33
HSL
100°, 71%, 45%
CMYK
56, 0, 83, 23
Luminance
0.4207
Every format
| HEX | #57c521 |
| RGB | rgb(87, 197, 33) |
| HSL | hsl(100, 71%, 45%) |
| CMYK | cmyk(56%, 0%, 83%, 23%) |
| LAB | lab(70.9 -57.9 65.1) |
| LCH | lch(70.9 87.1 131.6) |
| OKLCH | oklch(0.730 0.215 138.2) |
Copy-ready code
/* CSS */
color: #57c521;
background-color: #57c521;
/* Tailwind (arbitrary) */
class="text-[#57c521] bg-[#57c521]"
/* SCSS */
$brand: #57c521;
/* SwiftUI */
Color(red: 0.341, green: 0.773, blue: 0.129)
/* Android */
Color.parseColor("#57c521")Accessibility — WCAG contrast
Aa
#57c521 on white: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57c521 on black: 9.41:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green77.3%
Blue12.9%
CMYK percentages
Cyan55.8%
Magenta0.0%
Yellow83.2%
Key (black)22.7%
Color previews
#57c521 text on a black background
contrast 9.41:1
Card sample
#57c521 text on a white background
contrast 2.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57c521;
Background color
Panel with #57c521 background
background-color: #57c521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57c521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 197, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 197, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57c521; background: linear-gradient(135deg, #57c521, #21C558);