#66bb33
a balanced, vivid green · cool · closest name: forestgreen
RGB
102, 187, 51
HSL
98°, 57%, 47%
CMYK
46, 0, 73, 27
Luminance
0.3860
Every format
| HEX | #66bb33 |
| RGB | rgb(102, 187, 51) |
| HSL | hsl(98, 57%, 47%) |
| CMYK | cmyk(46%, 0%, 73%, 27%) |
| LAB | lab(68.5 -48.7 57.5) |
| LCH | lch(68.5 75.3 130.3) |
| OKLCH | oklch(0.712 0.187 136.3) |
Copy-ready code
/* CSS */
color: #66bb33;
background-color: #66bb33;
/* Tailwind (arbitrary) */
class="text-[#66bb33] bg-[#66bb33]"
/* SCSS */
$brand: #66bb33;
/* SwiftUI */
Color(red: 0.400, green: 0.733, blue: 0.200)
/* Android */
Color.parseColor("#66bb33")Accessibility — WCAG contrast
Aa
#66bb33 on white: 2.41:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66bb33 on black: 8.72:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green73.3%
Blue20.0%
CMYK percentages
Cyan45.5%
Magenta0.0%
Yellow72.7%
Key (black)26.7%
Color previews
#66bb33 text on a black background
contrast 8.72:1
Card sample
#66bb33 text on a white background
contrast 2.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66bb33;
Background color
Panel with #66bb33 background
background-color: #66bb33;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66bb33;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 187, 51, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 187, 51, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66bb33; background: linear-gradient(135deg, #66bb33, #33BB5B);