#42c721
a balanced, vivid green · cool · closest name: green
RGB
66, 199, 33
HSL
108°, 72%, 46%
CMYK
67, 0, 83, 22
Luminance
0.4211
Every format
| HEX | #42c721 |
| RGB | rgb(66, 199, 33) |
| HSL | hsl(108, 72%, 46%) |
| CMYK | cmyk(67%, 0%, 83%, 22%) |
| LAB | lab(71.0 -63.5 64.9) |
| LCH | lch(71.0 90.8 134.4) |
| OKLCH | oklch(0.729 0.225 140.6) |
Copy-ready code
/* CSS */
color: #42c721;
background-color: #42c721;
/* Tailwind (arbitrary) */
class="text-[#42c721] bg-[#42c721]"
/* SCSS */
$brand: #42c721;
/* SwiftUI */
Color(red: 0.259, green: 0.780, blue: 0.129)
/* Android */
Color.parseColor("#42c721")Accessibility — WCAG contrast
Aa
#42c721 on white: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42c721 on black: 9.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green78.0%
Blue12.9%
CMYK percentages
Cyan66.8%
Magenta0.0%
Yellow83.4%
Key (black)22.0%
Color previews
#42c721 text on a black background
contrast 9.42:1
Card sample
#42c721 text on a white background
contrast 2.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42c721;
Background color
Panel with #42c721 background
background-color: #42c721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42c721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 199, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 199, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42c721; background: linear-gradient(135deg, #42c721, #21C76F);