#66ff8f
a light, electric green · cool · closest name: aquamarine
RGB
102, 255, 143
HSL
136°, 100%, 70%
CMYK
60, 0, 44, 0
Luminance
0.7633
Every format
| HEX | #66ff8f |
| RGB | rgb(102, 255, 143) |
| HSL | hsl(136, 100%, 70%) |
| CMYK | cmyk(60%, 0%, 44%, 0%) |
| LAB | lab(90.0 -63.8 41.6) |
| LCH | lch(90.0 76.2 146.9) |
| OKLCH | oklch(0.892 0.201 149.3) |
Copy-ready code
/* CSS */
color: #66ff8f;
background-color: #66ff8f;
/* Tailwind (arbitrary) */
class="text-[#66ff8f] bg-[#66ff8f]"
/* SCSS */
$brand: #66ff8f;
/* SwiftUI */
Color(red: 0.400, green: 1.000, blue: 0.561)
/* Android */
Color.parseColor("#66ff8f")Accessibility — WCAG contrast
Aa
#66ff8f on white: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ff8f on black: 16.27:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green100.0%
Blue56.1%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow43.9%
Key (black)0.0%
Color previews
#66ff8f text on a black background
contrast 16.27:1
Card sample
#66ff8f text on a white background
contrast 1.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ff8f;
Background color
Panel with #66ff8f background
background-color: #66ff8f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ff8f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 255, 143, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 255, 143, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ff8f; background: linear-gradient(135deg, #66ff8f, #66FFF5);