#66eec1
a light, electric cyan · cool · closest name: aquamarine
RGB
102, 238, 193
HSL
160°, 80%, 67%
CMYK
57, 0, 19, 7
Luminance
0.6782
Every format
| HEX | #66eec1 |
| RGB | rgb(102, 238, 193) |
| HSL | hsl(160, 80%, 67%) |
| CMYK | cmyk(57%, 0%, 19%, 7%) |
| LAB | lab(85.9 -47.7 10.7) |
| LCH | lch(85.9 48.9 167.3) |
| OKLCH | oklch(0.862 0.136 168.3) |
Copy-ready code
/* CSS */
color: #66eec1;
background-color: #66eec1;
/* Tailwind (arbitrary) */
class="text-[#66eec1] bg-[#66eec1]"
/* SCSS */
$brand: #66eec1;
/* SwiftUI */
Color(red: 0.400, green: 0.933, blue: 0.757)
/* Android */
Color.parseColor("#66eec1")Accessibility — WCAG contrast
Aa
#66eec1 on white: 1.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66eec1 on black: 14.56:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green93.3%
Blue75.7%
CMYK percentages
Cyan57.1%
Magenta0.0%
Yellow18.9%
Key (black)6.7%
Color previews
#66eec1 text on a black background
contrast 14.56:1
Card sample
#66eec1 text on a white background
contrast 1.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66eec1;
Background color
Panel with #66eec1 background
background-color: #66eec1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66eec1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 238, 193, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 238, 193, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66eec1; background: linear-gradient(135deg, #66eec1, #66C1EE);