#66e310
a balanced, electric green · cool · closest name: lime
RGB
102, 227, 16
HSL
96°, 87%, 48%
CMYK
55, 0, 93, 11
Luminance
0.5780
Every format
| HEX | #66e310 |
| RGB | rgb(102, 227, 16) |
| HSL | hsl(96, 87%, 48%) |
| CMYK | cmyk(55%, 0%, 93%, 11%) |
| LAB | lab(80.6 -64.9 76.7) |
| LCH | lch(80.6 100.5 130.3) |
| OKLCH | oklch(0.812 0.245 137.5) |
Copy-ready code
/* CSS */
color: #66e310;
background-color: #66e310;
/* Tailwind (arbitrary) */
class="text-[#66e310] bg-[#66e310]"
/* SCSS */
$brand: #66e310;
/* SwiftUI */
Color(red: 0.400, green: 0.890, blue: 0.063)
/* Android */
Color.parseColor("#66e310")Accessibility — WCAG contrast
Aa
#66e310 on white: 1.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66e310 on black: 12.56:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green89.0%
Blue6.3%
CMYK percentages
Cyan55.1%
Magenta0.0%
Yellow93.0%
Key (black)11.0%
Color previews
#66e310 text on a black background
contrast 12.56:1
Card sample
#66e310 text on a white background
contrast 1.67:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66e310;
Background color
Panel with #66e310 background
background-color: #66e310;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66e310;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 227, 16, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 227, 16, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66e310; background: linear-gradient(135deg, #66e310, #10E346);