#66cc99
a balanced, vivid green · cool · closest name: aquamarine
RGB
102, 204, 153
HSL
150°, 50%, 60%
CMYK
50, 0, 25, 20
Luminance
0.4831
Every format
| HEX | #66cc99 |
| RGB | rgb(102, 204, 153) |
| HSL | hsl(150, 50%, 60%) |
| CMYK | cmyk(50%, 0%, 25%, 20%) |
| LAB | lab(75.0 -41.5 16.5) |
| LCH | lch(75.0 44.7 158.4) |
| OKLCH | oklch(0.770 0.122 159.8) |
Copy-ready code
/* CSS */
color: #66cc99;
background-color: #66cc99;
/* Tailwind (arbitrary) */
class="text-[#66cc99] bg-[#66cc99]"
/* SCSS */
$brand: #66cc99;
/* SwiftUI */
Color(red: 0.400, green: 0.800, blue: 0.600)
/* Android */
Color.parseColor("#66cc99")Accessibility — WCAG contrast
Aa
#66cc99 on white: 1.97:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66cc99 on black: 10.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green80.0%
Blue60.0%
CMYK percentages
Cyan50.0%
Magenta0.0%
Yellow25.0%
Key (black)20.0%
Color previews
#66cc99 text on a black background
contrast 10.66:1
Card sample
#66cc99 text on a white background
contrast 1.97:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66cc99;
Background color
Panel with #66cc99 background
background-color: #66cc99;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66cc99;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 204, 153, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 204, 153, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66cc99; background: linear-gradient(135deg, #66cc99, #66BBCC);