#66ebba
a light, electric green · cool · closest name: aquamarine
RGB
102, 235, 186
HSL
158°, 77%, 66%
CMYK
57, 0, 21, 8
Luminance
0.6579
Every format
| HEX | #66ebba |
| RGB | rgb(102, 235, 186) |
| HSL | hsl(158, 77%, 66%) |
| CMYK | cmyk(57%, 0%, 21%, 8%) |
| LAB | lab(84.9 -47.9 12.9) |
| LCH | lch(84.9 49.6 164.9) |
| OKLCH | oklch(0.853 0.137 166.0) |
Copy-ready code
/* CSS */
color: #66ebba;
background-color: #66ebba;
/* Tailwind (arbitrary) */
class="text-[#66ebba] bg-[#66ebba]"
/* SCSS */
$brand: #66ebba;
/* SwiftUI */
Color(red: 0.400, green: 0.922, blue: 0.729)
/* Android */
Color.parseColor("#66ebba")Accessibility — WCAG contrast
Aa
#66ebba on white: 1.48:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ebba on black: 14.16:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green92.2%
Blue72.9%
CMYK percentages
Cyan56.6%
Magenta0.0%
Yellow20.9%
Key (black)7.8%
Color previews
#66ebba text on a black background
contrast 14.16:1
Card sample
#66ebba text on a white background
contrast 1.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ebba;
Background color
Panel with #66ebba background
background-color: #66ebba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ebba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 235, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 235, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ebba; background: linear-gradient(135deg, #66ebba, #66C3EB);