#66dc21
a balanced, vivid green · cool · closest name: lime
RGB
102, 220, 33
HSL
98°, 74%, 50%
CMYK
54, 0, 85, 14
Luminance
0.5412
Every format
| HEX | #66dc21 |
| RGB | rgb(102, 220, 33) |
| HSL | hsl(98, 74%, 50%) |
| CMYK | cmyk(54%, 0%, 85%, 14%) |
| LAB | lab(78.5 -62.0 72.0) |
| LCH | lch(78.5 95.1 130.7) |
| OKLCH | oklch(0.794 0.233 137.5) |
Copy-ready code
/* CSS */
color: #66dc21;
background-color: #66dc21;
/* Tailwind (arbitrary) */
class="text-[#66dc21] bg-[#66dc21]"
/* SCSS */
$brand: #66dc21;
/* SwiftUI */
Color(red: 0.400, green: 0.863, blue: 0.129)
/* Android */
Color.parseColor("#66dc21")Accessibility — WCAG contrast
Aa
#66dc21 on white: 1.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66dc21 on black: 11.82:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green86.3%
Blue12.9%
CMYK percentages
Cyan53.6%
Magenta0.0%
Yellow85.0%
Key (black)13.7%
Color previews
#66dc21 text on a black background
contrast 11.82:1
Card sample
#66dc21 text on a white background
contrast 1.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66dc21;
Background color
Panel with #66dc21 background
background-color: #66dc21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66dc21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 220, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 220, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66dc21; background: linear-gradient(135deg, #66dc21, #21DC59);