#66d4ff
a light, electric cyan · cool · closest name: skyblue
RGB
102, 212, 255
HSL
197°, 100%, 70%
CMYK
60, 17, 0, 0
Luminance
0.5713
Every format
| HEX | #66d4ff |
| RGB | rgb(102, 212, 255) |
| HSL | hsl(197, 100%, 70%) |
| CMYK | cmyk(60%, 17%, 0%, 0%) |
| LAB | lab(80.3 -19.3 -30.5) |
| LCH | lch(80.3 36.1 237.6) |
| OKLCH | oklch(0.822 0.117 226.5) |
Copy-ready code
/* CSS */
color: #66d4ff;
background-color: #66d4ff;
/* Tailwind (arbitrary) */
class="text-[#66d4ff] bg-[#66d4ff]"
/* SCSS */
$brand: #66d4ff;
/* SwiftUI */
Color(red: 0.400, green: 0.831, blue: 1.000)
/* Android */
Color.parseColor("#66d4ff")Accessibility — WCAG contrast
Aa
#66d4ff on white: 1.69:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66d4ff on black: 12.43:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green83.1%
Blue100.0%
CMYK percentages
Cyan60.0%
Magenta16.9%
Yellow0.0%
Key (black)0.0%
Color previews
#66d4ff text on a black background
contrast 12.43:1
Card sample
#66d4ff text on a white background
contrast 1.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66d4ff;
Background color
Panel with #66d4ff background
background-color: #66d4ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66d4ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 212, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 212, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66d4ff; background: linear-gradient(135deg, #66d4ff, #666EFF);