#66ffaa
a light, electric green · cool · closest name: aquamarine
RGB
102, 255, 170
HSL
147°, 100%, 70%
CMYK
60, 0, 33, 0
Luminance
0.7725
Every format
| HEX | #66ffaa |
| RGB | rgb(102, 255, 170) |
| HSL | hsl(147, 100%, 70%) |
| CMYK | cmyk(60%, 0%, 33%, 0%) |
| LAB | lab(90.4 -59.2 28.8) |
| LCH | lch(90.4 65.9 154.1) |
| OKLCH | oklch(0.897 0.176 155.7) |
Copy-ready code
/* CSS */
color: #66ffaa;
background-color: #66ffaa;
/* Tailwind (arbitrary) */
class="text-[#66ffaa] bg-[#66ffaa]"
/* SCSS */
$brand: #66ffaa;
/* SwiftUI */
Color(red: 0.400, green: 1.000, blue: 0.667)
/* Android */
Color.parseColor("#66ffaa")Accessibility — WCAG contrast
Aa
#66ffaa on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ffaa on black: 16.45:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green100.0%
Blue66.7%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow33.3%
Key (black)0.0%
Color previews
#66ffaa text on a black background
contrast 16.45:1
Card sample
#66ffaa text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ffaa;
Background color
Panel with #66ffaa background
background-color: #66ffaa;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ffaa;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 255, 170, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 255, 170, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ffaa; background: linear-gradient(135deg, #66ffaa, #66EEFF);