#66ffc3
a light, electric green · cool · closest name: aquamarine
RGB
102, 255, 195
HSL
157°, 100%, 70%
CMYK
60, 0, 24, 0
Luminance
0.7828
Every format
| HEX | #66ffc3 |
| RGB | rgb(102, 255, 195) |
| HSL | hsl(157, 100%, 70%) |
| CMYK | cmyk(60%, 0%, 24%, 0%) |
| LAB | lab(90.9 -54.3 16.8) |
| LCH | lch(90.9 56.8 162.8) |
| OKLCH | oklch(0.902 0.156 164.0) |
Copy-ready code
/* CSS */
color: #66ffc3;
background-color: #66ffc3;
/* Tailwind (arbitrary) */
class="text-[#66ffc3] bg-[#66ffc3]"
/* SCSS */
$brand: #66ffc3;
/* SwiftUI */
Color(red: 0.400, green: 1.000, blue: 0.765)
/* Android */
Color.parseColor("#66ffc3")Accessibility — WCAG contrast
Aa
#66ffc3 on white: 1.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ffc3 on black: 16.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green100.0%
Blue76.5%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow23.5%
Key (black)0.0%
Color previews
#66ffc3 text on a black background
contrast 16.66:1
Card sample
#66ffc3 text on a white background
contrast 1.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ffc3;
Background color
Panel with #66ffc3 background
background-color: #66ffc3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ffc3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 255, 195, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 255, 195, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ffc3; background: linear-gradient(135deg, #66ffc3, #66D5FF);