#66ff88
a light, electric green · cool · closest name: aquamarine
RGB
102, 255, 136
HSL
133°, 100%, 70%
CMYK
60, 0, 47, 0
Luminance
0.7612
Every format
| HEX | #66ff88 |
| RGB | rgb(102, 255, 136) |
| HSL | hsl(133, 100%, 70%) |
| CMYK | cmyk(60%, 0%, 47%, 0%) |
| LAB | lab(89.9 -64.9 44.9) |
| LCH | lch(89.9 78.9 145.3) |
| OKLCH | oklch(0.891 0.207 148.0) |
Copy-ready code
/* CSS */
color: #66ff88;
background-color: #66ff88;
/* Tailwind (arbitrary) */
class="text-[#66ff88] bg-[#66ff88]"
/* SCSS */
$brand: #66ff88;
/* SwiftUI */
Color(red: 0.400, green: 1.000, blue: 0.533)
/* Android */
Color.parseColor("#66ff88")Accessibility — WCAG contrast
Aa
#66ff88 on white: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ff88 on black: 16.22:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green100.0%
Blue53.3%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow46.7%
Key (black)0.0%
Color previews
#66ff88 text on a black background
contrast 16.22:1
Card sample
#66ff88 text on a white background
contrast 1.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ff88;
Background color
Panel with #66ff88 background
background-color: #66ff88;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ff88;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 255, 136, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 255, 136, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ff88; background: linear-gradient(135deg, #66ff88, #66FFEE);