#66dfdb
a balanced, vivid cyan · cool · closest name: turquoise
RGB
102, 223, 219
HSL
178°, 65%, 64%
CMYK
54, 0, 2, 13
Luminance
0.6071
Every format
| HEX | #66dfdb |
| RGB | rgb(102, 223, 219) |
| HSL | hsl(178, 65%, 64%) |
| CMYK | cmyk(54%, 0%, 2%, 13%) |
| LAB | lab(82.2 -34.7 -8.3) |
| LCH | lch(82.2 35.7 193.5) |
| OKLCH | oklch(0.834 0.109 192.3) |
Copy-ready code
/* CSS */
color: #66dfdb;
background-color: #66dfdb;
/* Tailwind (arbitrary) */
class="text-[#66dfdb] bg-[#66dfdb]"
/* SCSS */
$brand: #66dfdb;
/* SwiftUI */
Color(red: 0.400, green: 0.875, blue: 0.859)
/* Android */
Color.parseColor("#66dfdb")Accessibility — WCAG contrast
Aa
#66dfdb on white: 1.60:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66dfdb on black: 13.14:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green87.5%
Blue85.9%
CMYK percentages
Cyan54.3%
Magenta0.0%
Yellow1.8%
Key (black)12.5%
Color previews
#66dfdb text on a black background
contrast 13.14:1
Card sample
#66dfdb text on a white background
contrast 1.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66dfdb;
Background color
Panel with #66dfdb background
background-color: #66dfdb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66dfdb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 223, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 223, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66dfdb; background: linear-gradient(135deg, #66dfdb, #6692DF);