#66cc88
a balanced, vivid green · cool · closest name: aquamarine
RGB
102, 204, 136
HSL
140°, 50%, 60%
CMYK
50, 0, 33, 20
Luminance
0.4779
Every format
| HEX | #66cc88 |
| RGB | rgb(102, 204, 136) |
| HSL | hsl(140, 50%, 60%) |
| CMYK | cmyk(50%, 0%, 33%, 20%) |
| LAB | lab(74.7 -44.8 25.0) |
| LCH | lch(74.7 51.3 150.9) |
| OKLCH | oklch(0.766 0.137 152.7) |
Copy-ready code
/* CSS */
color: #66cc88;
background-color: #66cc88;
/* Tailwind (arbitrary) */
class="text-[#66cc88] bg-[#66cc88]"
/* SCSS */
$brand: #66cc88;
/* SwiftUI */
Color(red: 0.400, green: 0.800, blue: 0.533)
/* Android */
Color.parseColor("#66cc88")Accessibility — WCAG contrast
Aa
#66cc88 on white: 1.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66cc88 on black: 10.56:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green80.0%
Blue53.3%
CMYK percentages
Cyan50.0%
Magenta0.0%
Yellow33.3%
Key (black)20.0%
Color previews
#66cc88 text on a black background
contrast 10.56:1
Card sample
#66cc88 text on a white background
contrast 1.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66cc88;
Background color
Panel with #66cc88 background
background-color: #66cc88;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66cc88;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 204, 136, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 204, 136, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66cc88; background: linear-gradient(135deg, #66cc88, #66CCCC);