#66dddd
a balanced, vivid cyan · cool · closest name: turquoise
RGB
102, 221, 221
HSL
180°, 64%, 63%
CMYK
54, 0, 0, 13
Luminance
0.5976
Every format
| HEX | #66dddd |
| RGB | rgb(102, 221, 221) |
| HSL | hsl(180, 64%, 63%) |
| CMYK | cmyk(54%, 0%, 0%, 13%) |
| LAB | lab(81.7 -33.2 -10.2) |
| LCH | lch(81.7 34.8 197.0) |
| OKLCH | oklch(0.830 0.107 195.3) |
Copy-ready code
/* CSS */
color: #66dddd;
background-color: #66dddd;
/* Tailwind (arbitrary) */
class="text-[#66dddd] bg-[#66dddd]"
/* SCSS */
$brand: #66dddd;
/* SwiftUI */
Color(red: 0.400, green: 0.867, blue: 0.867)
/* Android */
Color.parseColor("#66dddd")Accessibility — WCAG contrast
Aa
#66dddd on white: 1.62:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66dddd on black: 12.95:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green86.7%
Blue86.7%
CMYK percentages
Cyan53.8%
Magenta0.0%
Yellow0.0%
Key (black)13.3%
Color previews
#66dddd text on a black background
contrast 12.95:1
Card sample
#66dddd text on a white background
contrast 1.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66dddd;
Background color
Panel with #66dddd background
background-color: #66dddd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66dddd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 221, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 221, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66dddd; background: linear-gradient(135deg, #66dddd, #668EDD);