#57ad21
a dark, vivid green · cool · closest name: forestgreen
RGB
87, 173, 33
HSL
97°, 68%, 40%
CMYK
50, 0, 81, 32
Luminance
0.3202
Every format
| HEX | #57ad21 |
| RGB | rgb(87, 173, 33) |
| HSL | hsl(97, 68%, 40%) |
| CMYK | cmyk(50%, 0%, 81%, 32%) |
| LAB | lab(63.4 -49.0 58.2) |
| LCH | lch(63.4 76.1 130.1) |
| OKLCH | oklch(0.668 0.187 136.6) |
Copy-ready code
/* CSS */
color: #57ad21;
background-color: #57ad21;
/* Tailwind (arbitrary) */
class="text-[#57ad21] bg-[#57ad21]"
/* SCSS */
$brand: #57ad21;
/* SwiftUI */
Color(red: 0.341, green: 0.678, blue: 0.129)
/* Android */
Color.parseColor("#57ad21")Accessibility — WCAG contrast
Aa
#57ad21 on white: 2.84:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57ad21 on black: 7.40:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green67.8%
Blue12.9%
CMYK percentages
Cyan49.7%
Magenta0.0%
Yellow80.9%
Key (black)32.2%
Color previews
#57ad21 text on a black background
contrast 7.40:1
Card sample
#57ad21 text on a white background
contrast 2.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57ad21;
Background color
Panel with #57ad21 background
background-color: #57ad21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57ad21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 173, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 173, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57ad21; background: linear-gradient(135deg, #57ad21, #21AD48);