#66e0e0
a balanced, vivid cyan · cool · closest name: turquoise
RGB
102, 224, 224
HSL
180°, 66%, 64%
CMYK
55, 0, 0, 12
Luminance
0.6152
Every format
| HEX | #66e0e0 |
| RGB | rgb(102, 224, 224) |
| HSL | hsl(180, 66%, 64%) |
| CMYK | cmyk(55%, 0%, 0%, 12%) |
| LAB | lab(82.7 -33.9 -10.4) |
| LCH | lch(82.7 35.4 197.0) |
| OKLCH | oklch(0.838 0.109 195.3) |
Copy-ready code
/* CSS */
color: #66e0e0;
background-color: #66e0e0;
/* Tailwind (arbitrary) */
class="text-[#66e0e0] bg-[#66e0e0]"
/* SCSS */
$brand: #66e0e0;
/* SwiftUI */
Color(red: 0.400, green: 0.878, blue: 0.878)
/* Android */
Color.parseColor("#66e0e0")Accessibility — WCAG contrast
Aa
#66e0e0 on white: 1.58:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66e0e0 on black: 13.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green87.8%
Blue87.8%
CMYK percentages
Cyan54.5%
Magenta0.0%
Yellow0.0%
Key (black)12.2%
Color previews
#66e0e0 text on a black background
contrast 13.30:1
Card sample
#66e0e0 text on a white background
contrast 1.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66e0e0;
Background color
Panel with #66e0e0 background
background-color: #66e0e0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66e0e0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 224, 224, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 224, 224, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66e0e0; background: linear-gradient(135deg, #66e0e0, #668FE0);