#42f721
a balanced, electric green · cool · closest name: lime
RGB
66, 247, 33
HSL
111°, 93%, 55%
CMYK
73, 0, 87, 3
Luminance
0.6779
Every format
| HEX | #42f721 |
| RGB | rgb(66, 247, 33) |
| HSL | hsl(111, 93%, 55%) |
| CMYK | cmyk(73%, 0%, 87%, 3%) |
| LAB | lab(85.9 -78.2 78.1) |
| LCH | lch(85.9 110.5 135.0) |
| OKLCH | oklch(0.853 0.273 141.3) |
Copy-ready code
/* CSS */
color: #42f721;
background-color: #42f721;
/* Tailwind (arbitrary) */
class="text-[#42f721] bg-[#42f721]"
/* SCSS */
$brand: #42f721;
/* SwiftUI */
Color(red: 0.259, green: 0.969, blue: 0.129)
/* Android */
Color.parseColor("#42f721")Accessibility — WCAG contrast
Aa
#42f721 on white: 1.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42f721 on black: 14.56:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green96.9%
Blue12.9%
CMYK percentages
Cyan73.3%
Magenta0.0%
Yellow86.6%
Key (black)3.1%
Color previews
#42f721 text on a black background
contrast 14.56:1
Card sample
#42f721 text on a white background
contrast 1.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42f721;
Background color
Panel with #42f721 background
background-color: #42f721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42f721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 247, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 247, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42f721; background: linear-gradient(135deg, #42f721, #21F78E);