#66ddcc
a balanced, vivid cyan · cool · closest name: turquoise
RGB
102, 221, 204
HSL
171°, 64%, 63%
CMYK
54, 0, 8, 13
Luminance
0.5890
Every format
| HEX | #66ddcc |
| RGB | rgb(102, 221, 204) |
| HSL | hsl(171, 64%, 63%) |
| CMYK | cmyk(54%, 0%, 8%, 13%) |
| LAB | lab(81.2 -37.6 -1.8) |
| LCH | lch(81.2 37.6 182.8) |
| OKLCH | oklch(0.824 0.111 182.9) |
Copy-ready code
/* CSS */
color: #66ddcc;
background-color: #66ddcc;
/* Tailwind (arbitrary) */
class="text-[#66ddcc] bg-[#66ddcc]"
/* SCSS */
$brand: #66ddcc;
/* SwiftUI */
Color(red: 0.400, green: 0.867, blue: 0.800)
/* Android */
Color.parseColor("#66ddcc")Accessibility — WCAG contrast
Aa
#66ddcc on white: 1.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ddcc on black: 12.78:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green86.7%
Blue80.0%
CMYK percentages
Cyan53.8%
Magenta0.0%
Yellow7.7%
Key (black)13.3%
Color previews
#66ddcc text on a black background
contrast 12.78:1
Card sample
#66ddcc text on a white background
contrast 1.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ddcc;
Background color
Panel with #66ddcc background
background-color: #66ddcc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ddcc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 221, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 221, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ddcc; background: linear-gradient(135deg, #66ddcc, #669FDD);