#42c621
a balanced, vivid green · cool · closest name: green
RGB
66, 198, 33
HSL
108°, 71%, 45%
CMYK
67, 0, 83, 22
Luminance
0.4166
Every format
| HEX | #42c621 |
| RGB | rgb(66, 198, 33) |
| HSL | hsl(108, 71%, 45%) |
| CMYK | cmyk(67%, 0%, 83%, 22%) |
| LAB | lab(70.6 -63.1 64.6) |
| LCH | lch(70.6 90.3 134.3) |
| OKLCH | oklch(0.726 0.224 140.5) |
Copy-ready code
/* CSS */
color: #42c621;
background-color: #42c621;
/* Tailwind (arbitrary) */
class="text-[#42c621] bg-[#42c621]"
/* SCSS */
$brand: #42c621;
/* SwiftUI */
Color(red: 0.259, green: 0.776, blue: 0.129)
/* Android */
Color.parseColor("#42c621")Accessibility — WCAG contrast
Aa
#42c621 on white: 2.25:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42c621 on black: 9.33:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green77.6%
Blue12.9%
CMYK percentages
Cyan66.7%
Magenta0.0%
Yellow83.3%
Key (black)22.4%
Color previews
#42c621 text on a black background
contrast 9.33:1
Card sample
#42c621 text on a white background
contrast 2.25:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42c621;
Background color
Panel with #42c621 background
background-color: #42c621;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42c621;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 198, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 198, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42c621; background: linear-gradient(135deg, #42c621, #21C66E);