#42aa21
a dark, vivid green · cool · closest name: forestgreen
RGB
66, 170, 33
HSL
106°, 68%, 40%
CMYK
61, 0, 81, 33
Luminance
0.3002
Every format
| HEX | #42aa21 |
| RGB | rgb(66, 170, 33) |
| HSL | hsl(106, 68%, 40%) |
| CMYK | cmyk(61%, 0%, 81%, 33%) |
| LAB | lab(61.7 -53.6 56.4) |
| LCH | lch(61.7 77.8 133.6) |
| OKLCH | oklch(0.652 0.193 139.7) |
Copy-ready code
/* CSS */
color: #42aa21;
background-color: #42aa21;
/* Tailwind (arbitrary) */
class="text-[#42aa21] bg-[#42aa21]"
/* SCSS */
$brand: #42aa21;
/* SwiftUI */
Color(red: 0.259, green: 0.667, blue: 0.129)
/* Android */
Color.parseColor("#42aa21")Accessibility — WCAG contrast
Aa
#42aa21 on white: 3.00:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#42aa21 on black: 7.00:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green66.7%
Blue12.9%
CMYK percentages
Cyan61.2%
Magenta0.0%
Yellow80.6%
Key (black)33.3%
Color previews
#42aa21 text on a black background
contrast 7.00:1
Card sample
#42aa21 text on a white background
contrast 3.00:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42aa21;
Background color
Panel with #42aa21 background
background-color: #42aa21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42aa21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 170, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 170, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42aa21; background: linear-gradient(135deg, #42aa21, #21AA5B);