#42a310
a dark, electric green · cool · closest name: green
RGB
66, 163, 16
HSL
100°, 82%, 35%
CMYK
60, 0, 90, 36
Luminance
0.2739
Every format
| HEX | #42a310 |
| RGB | rgb(66, 163, 16) |
| HSL | hsl(100, 82%, 35%) |
| CMYK | cmyk(60%, 0%, 90%, 36%) |
| LAB | lab(59.3 -51.9 58.4) |
| LCH | lch(59.3 78.2 131.6) |
| OKLCH | oklch(0.632 0.192 138.5) |
Copy-ready code
/* CSS */
color: #42a310;
background-color: #42a310;
/* Tailwind (arbitrary) */
class="text-[#42a310] bg-[#42a310]"
/* SCSS */
$brand: #42a310;
/* SwiftUI */
Color(red: 0.259, green: 0.639, blue: 0.063)
/* Android */
Color.parseColor("#42a310")Accessibility — WCAG contrast
Aa
#42a310 on white: 3.24:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#42a310 on black: 6.48:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green63.9%
Blue6.3%
CMYK percentages
Cyan59.5%
Magenta0.0%
Yellow90.2%
Key (black)36.1%
Color previews
#42a310 text on a black background
contrast 6.48:1
Card sample
#42a310 text on a white background
contrast 3.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42a310;
Background color
Panel with #42a310 background
background-color: #42a310;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42a310;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 163, 16, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 163, 16, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42a310; background: linear-gradient(135deg, #42a310, #10A340);