#42cc21
a balanced, vivid green · cool · closest name: lime
RGB
66, 204, 33
HSL
108°, 72%, 47%
CMYK
68, 0, 84, 20
Luminance
0.4445
Every format
| HEX | #42cc21 |
| RGB | rgb(66, 204, 33) |
| HSL | hsl(108, 72%, 47%) |
| CMYK | cmyk(68%, 0%, 84%, 20%) |
| LAB | lab(72.5 -65.1 66.3) |
| LCH | lch(72.5 92.9 134.4) |
| OKLCH | oklch(0.742 0.230 140.7) |
Copy-ready code
/* CSS */
color: #42cc21;
background-color: #42cc21;
/* Tailwind (arbitrary) */
class="text-[#42cc21] bg-[#42cc21]"
/* SCSS */
$brand: #42cc21;
/* SwiftUI */
Color(red: 0.259, green: 0.800, blue: 0.129)
/* Android */
Color.parseColor("#42cc21")Accessibility — WCAG contrast
Aa
#42cc21 on white: 2.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42cc21 on black: 9.89:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green80.0%
Blue12.9%
CMYK percentages
Cyan67.6%
Magenta0.0%
Yellow83.8%
Key (black)20.0%
Color previews
#42cc21 text on a black background
contrast 9.89:1
Card sample
#42cc21 text on a white background
contrast 2.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42cc21;
Background color
Panel with #42cc21 background
background-color: #42cc21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42cc21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 204, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 204, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42cc21; background: linear-gradient(135deg, #42cc21, #21CC72);