#42d921
a balanced, vivid green · cool · closest name: lime
RGB
66, 217, 33
HSL
109°, 74%, 49%
CMYK
70, 0, 85, 15
Luminance
0.5089
Every format
| HEX | #42d921 |
| RGB | rgb(66, 217, 33) |
| HSL | hsl(109, 74%, 49%) |
| CMYK | cmyk(70%, 0%, 85%, 15%) |
| LAB | lab(76.6 -69.2 70.0) |
| LCH | lch(76.6 98.4 134.7) |
| OKLCH | oklch(0.776 0.244 140.9) |
Copy-ready code
/* CSS */
color: #42d921;
background-color: #42d921;
/* Tailwind (arbitrary) */
class="text-[#42d921] bg-[#42d921]"
/* SCSS */
$brand: #42d921;
/* SwiftUI */
Color(red: 0.259, green: 0.851, blue: 0.129)
/* Android */
Color.parseColor("#42d921")Accessibility — WCAG contrast
Aa
#42d921 on white: 1.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42d921 on black: 11.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green85.1%
Blue12.9%
CMYK percentages
Cyan69.6%
Magenta0.0%
Yellow84.8%
Key (black)14.9%
Color previews
#42d921 text on a black background
contrast 11.18:1
Card sample
#42d921 text on a white background
contrast 1.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42d921;
Background color
Panel with #42d921 background
background-color: #42d921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42d921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 217, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 217, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42d921; background: linear-gradient(135deg, #42d921, #21D97A);