#66cc11
a dark, electric green · cool · closest name: green
RGB
102, 204, 17
HSL
93°, 85%, 43%
CMYK
50, 0, 92, 20
Luminance
0.4605
Every format
| HEX | #66cc11 |
| RGB | rgb(102, 204, 17) |
| HSL | hsl(93, 85%, 43%) |
| CMYK | cmyk(50%, 0%, 92%, 20%) |
| LAB | lab(73.6 -56.7 70.7) |
| LCH | lch(73.6 90.7 128.7) |
| OKLCH | oklch(0.753 0.220 136.0) |
Copy-ready code
/* CSS */
color: #66cc11;
background-color: #66cc11;
/* Tailwind (arbitrary) */
class="text-[#66cc11] bg-[#66cc11]"
/* SCSS */
$brand: #66cc11;
/* SwiftUI */
Color(red: 0.400, green: 0.800, blue: 0.067)
/* Android */
Color.parseColor("#66cc11")Accessibility — WCAG contrast
Aa
#66cc11 on white: 2.06:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66cc11 on black: 10.21:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green80.0%
Blue6.7%
CMYK percentages
Cyan50.0%
Magenta0.0%
Yellow91.7%
Key (black)20.0%
Color previews
#66cc11 text on a black background
contrast 10.21:1
Card sample
#66cc11 text on a white background
contrast 2.06:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66cc11;
Background color
Panel with #66cc11 background
background-color: #66cc11;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66cc11;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 204, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 204, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66cc11; background: linear-gradient(135deg, #66cc11, #11CC39);