#42ea59
a balanced, electric green · cool · closest name: lime
RGB
66, 234, 89
HSL
128°, 80%, 59%
CMYK
72, 0, 62, 8
Luminance
0.6073
Every format
| HEX | #42ea59 |
| RGB | rgb(66, 234, 89) |
| HSL | hsl(128, 80%, 59%) |
| CMYK | cmyk(72%, 0%, 62%, 8%) |
| LAB | lab(82.2 -70.3 56.8) |
| LCH | lch(82.2 90.4 141.1) |
| OKLCH | oklch(0.824 0.232 145.1) |
Copy-ready code
/* CSS */
color: #42ea59;
background-color: #42ea59;
/* Tailwind (arbitrary) */
class="text-[#42ea59] bg-[#42ea59]"
/* SCSS */
$brand: #42ea59;
/* SwiftUI */
Color(red: 0.259, green: 0.918, blue: 0.349)
/* Android */
Color.parseColor("#42ea59")Accessibility — WCAG contrast
Aa
#42ea59 on white: 1.60:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42ea59 on black: 13.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green91.8%
Blue34.9%
CMYK percentages
Cyan71.8%
Magenta0.0%
Yellow62.0%
Key (black)8.2%
Color previews
#42ea59 text on a black background
contrast 13.15:1
Card sample
#42ea59 text on a white background
contrast 1.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42ea59;
Background color
Panel with #42ea59 background
background-color: #42ea59;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42ea59;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 234, 89, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 234, 89, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42ea59; background: linear-gradient(135deg, #42ea59, #42EAC9);