#42c921
a balanced, vivid green · cool · closest name: green
RGB
66, 201, 33
HSL
108°, 72%, 46%
CMYK
67, 0, 84, 21
Luminance
0.4304
Every format
| HEX | #42c921 |
| RGB | rgb(66, 201, 33) |
| HSL | hsl(108, 72%, 46%) |
| CMYK | cmyk(67%, 0%, 84%, 21%) |
| LAB | lab(71.6 -64.1 65.5) |
| LCH | lch(71.6 91.6 134.4) |
| OKLCH | oklch(0.734 0.227 140.6) |
Copy-ready code
/* CSS */
color: #42c921;
background-color: #42c921;
/* Tailwind (arbitrary) */
class="text-[#42c921] bg-[#42c921]"
/* SCSS */
$brand: #42c921;
/* SwiftUI */
Color(red: 0.259, green: 0.788, blue: 0.129)
/* Android */
Color.parseColor("#42c921")Accessibility — WCAG contrast
Aa
#42c921 on white: 2.19:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42c921 on black: 9.61:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green78.8%
Blue12.9%
CMYK percentages
Cyan67.2%
Magenta0.0%
Yellow83.6%
Key (black)21.2%
Color previews
#42c921 text on a black background
contrast 9.61:1
Card sample
#42c921 text on a white background
contrast 2.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42c921;
Background color
Panel with #42c921 background
background-color: #42c921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42c921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 201, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 201, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42c921; background: linear-gradient(135deg, #42c921, #21C970);