#66cd3a
a balanced, vivid green · cool · closest name: forestgreen
RGB
102, 205, 58
HSL
102°, 60%, 52%
CMYK
50, 0, 72, 20
Luminance
0.4679
Every format
| HEX | #66cd3a |
| RGB | rgb(102, 205, 58) |
| HSL | hsl(102, 60%, 52%) |
| CMYK | cmyk(50%, 0%, 72%, 20%) |
| LAB | lab(74.1 -55.2 60.6) |
| LCH | lch(74.1 82.0 132.3) |
| OKLCH | oklch(0.758 0.205 138.1) |
Copy-ready code
/* CSS */
color: #66cd3a;
background-color: #66cd3a;
/* Tailwind (arbitrary) */
class="text-[#66cd3a] bg-[#66cd3a]"
/* SCSS */
$brand: #66cd3a;
/* SwiftUI */
Color(red: 0.400, green: 0.804, blue: 0.227)
/* Android */
Color.parseColor("#66cd3a")Accessibility — WCAG contrast
Aa
#66cd3a on white: 2.03:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66cd3a on black: 10.36:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green80.4%
Blue22.7%
CMYK percentages
Cyan50.2%
Magenta0.0%
Yellow71.7%
Key (black)19.6%
Color previews
#66cd3a text on a black background
contrast 10.36:1
Card sample
#66cd3a text on a white background
contrast 2.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66cd3a;
Background color
Panel with #66cd3a background
background-color: #66cd3a;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66cd3a;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 205, 58, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 205, 58, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66cd3a; background: linear-gradient(135deg, #66cd3a, #3ACD70);