#66ddf2
a light, electric cyan · cool · closest name: skyblue
RGB
102, 221, 242
HSL
189°, 84%, 68%
CMYK
58, 9, 0, 5
Luminance
0.6095
Every format
| HEX | #66ddf2 |
| RGB | rgb(102, 221, 242) |
| HSL | hsl(189, 84%, 68%) |
| CMYK | cmyk(58%, 9%, 0%, 5%) |
| LAB | lab(82.3 -27.5 -20.4) |
| LCH | lch(82.3 34.3 216.5) |
| OKLCH | oklch(0.837 0.110 210.8) |
Copy-ready code
/* CSS */
color: #66ddf2;
background-color: #66ddf2;
/* Tailwind (arbitrary) */
class="text-[#66ddf2] bg-[#66ddf2]"
/* SCSS */
$brand: #66ddf2;
/* SwiftUI */
Color(red: 0.400, green: 0.867, blue: 0.949)
/* Android */
Color.parseColor("#66ddf2")Accessibility — WCAG contrast
Aa
#66ddf2 on white: 1.59:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ddf2 on black: 13.19:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green86.7%
Blue94.9%
CMYK percentages
Cyan57.9%
Magenta8.7%
Yellow0.0%
Key (black)5.1%
Color previews
#66ddf2 text on a black background
contrast 13.19:1
Card sample
#66ddf2 text on a white background
contrast 1.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ddf2;
Background color
Panel with #66ddf2 background
background-color: #66ddf2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ddf2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 221, 242, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 221, 242, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ddf2; background: linear-gradient(135deg, #66ddf2, #6680F2);