#42a521
a dark, vivid green · cool · closest name: forestgreen
RGB
66, 165, 33
HSL
105°, 67%, 39%
CMYK
60, 0, 80, 35
Luminance
0.2818
Every format
| HEX | #42a521 |
| RGB | rgb(66, 165, 33) |
| HSL | hsl(105, 67%, 39%) |
| CMYK | cmyk(60%, 0%, 80%, 35%) |
| LAB | lab(60.0 -51.9 54.9) |
| LCH | lch(60.0 75.5 133.4) |
| OKLCH | oklch(0.638 0.188 139.5) |
Copy-ready code
/* CSS */
color: #42a521;
background-color: #42a521;
/* Tailwind (arbitrary) */
class="text-[#42a521] bg-[#42a521]"
/* SCSS */
$brand: #42a521;
/* SwiftUI */
Color(red: 0.259, green: 0.647, blue: 0.129)
/* Android */
Color.parseColor("#42a521")Accessibility — WCAG contrast
Aa
#42a521 on white: 3.16:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#42a521 on black: 6.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green64.7%
Blue12.9%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow80.0%
Key (black)35.3%
Color previews
#42a521 text on a black background
contrast 6.64:1
Card sample
#42a521 text on a white background
contrast 3.16:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42a521;
Background color
Panel with #42a521 background
background-color: #42a521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42a521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 165, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 165, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42a521; background: linear-gradient(135deg, #42a521, #21A558);