#66ee88
a light, electric green · cool · closest name: aquamarine
RGB
102, 238, 136
HSL
135°, 80%, 67%
CMYK
57, 0, 43, 7
Luminance
0.6575
Every format
| HEX | #66ee88 |
| RGB | rgb(102, 238, 136) |
| HSL | hsl(135, 80%, 67%) |
| CMYK | cmyk(57%, 0%, 43%, 7%) |
| LAB | lab(84.9 -58.5 38.4) |
| LCH | lch(84.9 70.0 146.7) |
| OKLCH | oklch(0.850 0.184 149.1) |
Copy-ready code
/* CSS */
color: #66ee88;
background-color: #66ee88;
/* Tailwind (arbitrary) */
class="text-[#66ee88] bg-[#66ee88]"
/* SCSS */
$brand: #66ee88;
/* SwiftUI */
Color(red: 0.400, green: 0.933, blue: 0.533)
/* Android */
Color.parseColor("#66ee88")Accessibility — WCAG contrast
Aa
#66ee88 on white: 1.48:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ee88 on black: 14.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green93.3%
Blue53.3%
CMYK percentages
Cyan57.1%
Magenta0.0%
Yellow42.9%
Key (black)6.7%
Color previews
#66ee88 text on a black background
contrast 14.15:1
Card sample
#66ee88 text on a white background
contrast 1.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ee88;
Background color
Panel with #66ee88 background
background-color: #66ee88;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ee88;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 238, 136, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 238, 136, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ee88; background: linear-gradient(135deg, #66ee88, #66EEE3);