#66cd3f
a balanced, vivid green · cool · closest name: forestgreen
RGB
102, 205, 63
HSL
104°, 59%, 53%
CMYK
50, 0, 69, 20
Luminance
0.4685
Every format
| HEX | #66cd3f |
| RGB | rgb(102, 205, 63) |
| HSL | hsl(104, 59%, 53%) |
| CMYK | cmyk(50%, 0%, 69%, 20%) |
| LAB | lab(74.1 -54.8 58.8) |
| LCH | lch(74.1 80.3 133.0) |
| OKLCH | oklch(0.758 0.202 138.5) |
Copy-ready code
/* CSS */
color: #66cd3f;
background-color: #66cd3f;
/* Tailwind (arbitrary) */
class="text-[#66cd3f] bg-[#66cd3f]"
/* SCSS */
$brand: #66cd3f;
/* SwiftUI */
Color(red: 0.400, green: 0.804, blue: 0.247)
/* Android */
Color.parseColor("#66cd3f")Accessibility — WCAG contrast
Aa
#66cd3f on white: 2.03:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66cd3f on black: 10.37:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green80.4%
Blue24.7%
CMYK percentages
Cyan50.2%
Magenta0.0%
Yellow69.3%
Key (black)19.6%
Color previews
#66cd3f text on a black background
contrast 10.37:1
Card sample
#66cd3f text on a white background
contrast 2.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66cd3f;
Background color
Panel with #66cd3f background
background-color: #66cd3f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66cd3f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 205, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 205, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66cd3f; background: linear-gradient(135deg, #66cd3f, #3FCD76);