#42d521
a balanced, vivid green · cool · closest name: lime
RGB
66, 213, 33
HSL
109°, 73%, 48%
CMYK
69, 0, 85, 17
Luminance
0.4886
Every format
| HEX | #42d521 |
| RGB | rgb(66, 213, 33) |
| HSL | hsl(109, 73%, 48%) |
| CMYK | cmyk(69%, 0%, 85%, 17%) |
| LAB | lab(75.4 -67.9 68.9) |
| LCH | lch(75.4 96.7 134.6) |
| OKLCH | oklch(0.765 0.240 140.8) |
Copy-ready code
/* CSS */
color: #42d521;
background-color: #42d521;
/* Tailwind (arbitrary) */
class="text-[#42d521] bg-[#42d521]"
/* SCSS */
$brand: #42d521;
/* SwiftUI */
Color(red: 0.259, green: 0.835, blue: 0.129)
/* Android */
Color.parseColor("#42d521")Accessibility — WCAG contrast
Aa
#42d521 on white: 1.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42d521 on black: 10.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green83.5%
Blue12.9%
CMYK percentages
Cyan69.0%
Magenta0.0%
Yellow84.5%
Key (black)16.5%
Color previews
#42d521 text on a black background
contrast 10.77:1
Card sample
#42d521 text on a white background
contrast 1.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42d521;
Background color
Panel with #42d521 background
background-color: #42d521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42d521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 213, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 213, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42d521; background: linear-gradient(135deg, #42d521, #21D578);