#66df2c
a balanced, vivid green · cool · closest name: lime
RGB
102, 223, 44
HSL
101°, 74%, 52%
CMYK
54, 0, 80, 13
Luminance
0.5578
Every format
| HEX | #66df2c |
| RGB | rgb(102, 223, 44) |
| HSL | hsl(101, 74%, 52%) |
| CMYK | cmyk(54%, 0%, 80%, 13%) |
| LAB | lab(79.5 -62.6 70.3) |
| LCH | lch(79.5 94.1 131.7) |
| OKLCH | oklch(0.802 0.233 138.1) |
Copy-ready code
/* CSS */
color: #66df2c;
background-color: #66df2c;
/* Tailwind (arbitrary) */
class="text-[#66df2c] bg-[#66df2c]"
/* SCSS */
$brand: #66df2c;
/* SwiftUI */
Color(red: 0.400, green: 0.875, blue: 0.173)
/* Android */
Color.parseColor("#66df2c")Accessibility — WCAG contrast
Aa
#66df2c on white: 1.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66df2c on black: 12.16:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green87.5%
Blue17.3%
CMYK percentages
Cyan54.3%
Magenta0.0%
Yellow80.3%
Key (black)12.5%
Color previews
#66df2c text on a black background
contrast 12.16:1
Card sample
#66df2c text on a white background
contrast 1.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66df2c;
Background color
Panel with #66df2c background
background-color: #66df2c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66df2c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 223, 44, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 223, 44, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66df2c; background: linear-gradient(135deg, #66df2c, #2CDF6A);