#66ff8c
a light, electric green · cool · closest name: aquamarine
RGB
102, 255, 140
HSL
135°, 100%, 70%
CMYK
60, 0, 45, 0
Luminance
0.7624
Every format
| HEX | #66ff8c |
| RGB | rgb(102, 255, 140) |
| HSL | hsl(135, 100%, 70%) |
| CMYK | cmyk(60%, 0%, 45%, 0%) |
| LAB | lab(90.0 -64.3 43.0) |
| LCH | lch(90.0 77.3 146.2) |
| OKLCH | oklch(0.892 0.203 148.8) |
Copy-ready code
/* CSS */
color: #66ff8c;
background-color: #66ff8c;
/* Tailwind (arbitrary) */
class="text-[#66ff8c] bg-[#66ff8c]"
/* SCSS */
$brand: #66ff8c;
/* SwiftUI */
Color(red: 0.400, green: 1.000, blue: 0.549)
/* Android */
Color.parseColor("#66ff8c")Accessibility — WCAG contrast
Aa
#66ff8c on white: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ff8c on black: 16.25:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green100.0%
Blue54.9%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow45.1%
Key (black)0.0%
Color previews
#66ff8c text on a black background
contrast 16.25:1
Card sample
#66ff8c text on a white background
contrast 1.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ff8c;
Background color
Panel with #66ff8c background
background-color: #66ff8c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ff8c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 255, 140, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 255, 140, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ff8c; background: linear-gradient(135deg, #66ff8c, #66FFF2);