#66ddff
a light, electric cyan · cool · closest name: skyblue
RGB
102, 221, 255
HSL
193°, 100%, 70%
CMYK
60, 13, 0, 0
Luminance
0.6176
Every format
| HEX | #66ddff |
| RGB | rgb(102, 221, 255) |
| HSL | hsl(193, 100%, 70%) |
| CMYK | cmyk(60%, 13%, 0%, 0%) |
| LAB | lab(82.8 -23.8 -26.6) |
| LCH | lch(82.8 35.7 228.1) |
| OKLCH | oklch(0.842 0.116 219.5) |
Copy-ready code
/* CSS */
color: #66ddff;
background-color: #66ddff;
/* Tailwind (arbitrary) */
class="text-[#66ddff] bg-[#66ddff]"
/* SCSS */
$brand: #66ddff;
/* SwiftUI */
Color(red: 0.400, green: 0.867, blue: 1.000)
/* Android */
Color.parseColor("#66ddff")Accessibility — WCAG contrast
Aa
#66ddff on white: 1.57:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ddff on black: 13.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green86.7%
Blue100.0%
CMYK percentages
Cyan60.0%
Magenta13.3%
Yellow0.0%
Key (black)0.0%
Color previews
#66ddff text on a black background
contrast 13.35:1
Card sample
#66ddff text on a white background
contrast 1.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ddff;
Background color
Panel with #66ddff background
background-color: #66ddff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ddff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 221, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 221, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ddff; background: linear-gradient(135deg, #66ddff, #6677FF);