#66d430
a balanced, vivid green · cool · closest name: forestgreen
RGB
102, 212, 48
HSL
100°, 66%, 51%
CMYK
52, 0, 77, 17
Luminance
0.5013
Every format
| HEX | #66d430 |
| RGB | rgb(102, 212, 48) |
| HSL | hsl(100, 66%, 51%) |
| CMYK | cmyk(52%, 0%, 77%, 17%) |
| LAB | lab(76.1 -58.4 66.0) |
| LCH | lch(76.1 88.1 131.5) |
| OKLCH | oklch(0.775 0.218 137.8) |
Copy-ready code
/* CSS */
color: #66d430;
background-color: #66d430;
/* Tailwind (arbitrary) */
class="text-[#66d430] bg-[#66d430]"
/* SCSS */
$brand: #66d430;
/* SwiftUI */
Color(red: 0.400, green: 0.831, blue: 0.188)
/* Android */
Color.parseColor("#66d430")Accessibility — WCAG contrast
Aa
#66d430 on white: 1.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66d430 on black: 11.03:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green83.1%
Blue18.8%
CMYK percentages
Cyan51.9%
Magenta0.0%
Yellow77.4%
Key (black)16.9%
Color previews
#66d430 text on a black background
contrast 11.03:1
Card sample
#66d430 text on a white background
contrast 1.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66d430;
Background color
Panel with #66d430 background
background-color: #66d430;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66d430;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 212, 48, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 212, 48, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66d430; background: linear-gradient(135deg, #66d430, #30D467);