#66cc33
a balanced, vivid green · cool · closest name: forestgreen
RGB
102, 204, 51
HSL
100°, 60%, 50%
CMYK
50, 0, 75, 20
Luminance
0.4625
Every format
| HEX | #66cc33 |
| RGB | rgb(102, 204, 51) |
| HSL | hsl(100, 60%, 50%) |
| CMYK | cmyk(50%, 0%, 75%, 20%) |
| LAB | lab(73.7 -55.3 62.7) |
| LCH | lch(73.7 83.6 131.4) |
| OKLCH | oklch(0.755 0.208 137.5) |
Copy-ready code
/* CSS */
color: #66cc33;
background-color: #66cc33;
/* Tailwind (arbitrary) */
class="text-[#66cc33] bg-[#66cc33]"
/* SCSS */
$brand: #66cc33;
/* SwiftUI */
Color(red: 0.400, green: 0.800, blue: 0.200)
/* Android */
Color.parseColor("#66cc33")Accessibility — WCAG contrast
Aa
#66cc33 on white: 2.05:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66cc33 on black: 10.25:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green80.0%
Blue20.0%
CMYK percentages
Cyan50.0%
Magenta0.0%
Yellow75.0%
Key (black)20.0%
Color previews
#66cc33 text on a black background
contrast 10.25:1
Card sample
#66cc33 text on a white background
contrast 2.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66cc33;
Background color
Panel with #66cc33 background
background-color: #66cc33;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66cc33;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 204, 51, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 204, 51, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66cc33; background: linear-gradient(135deg, #66cc33, #33CC66);