#66e3ff
a light, electric cyan · cool · closest name: skyblue
RGB
102, 227, 255
HSL
191°, 100%, 70%
CMYK
60, 11, 0, 0
Luminance
0.6498
Every format
| HEX | #66e3ff |
| RGB | rgb(102, 227, 255) |
| HSL | hsl(191, 100%, 70%) |
| CMYK | cmyk(60%, 11%, 0%, 0%) |
| LAB | lab(84.5 -26.8 -24.0) |
| LCH | lch(84.5 36.0 221.9) |
| OKLCH | oklch(0.856 0.117 214.8) |
Copy-ready code
/* CSS */
color: #66e3ff;
background-color: #66e3ff;
/* Tailwind (arbitrary) */
class="text-[#66e3ff] bg-[#66e3ff]"
/* SCSS */
$brand: #66e3ff;
/* SwiftUI */
Color(red: 0.400, green: 0.890, blue: 1.000)
/* Android */
Color.parseColor("#66e3ff")Accessibility — WCAG contrast
Aa
#66e3ff on white: 1.50:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66e3ff on black: 14.00:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green89.0%
Blue100.0%
CMYK percentages
Cyan60.0%
Magenta11.0%
Yellow0.0%
Key (black)0.0%
Color previews
#66e3ff text on a black background
contrast 14.00:1
Card sample
#66e3ff text on a white background
contrast 1.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66e3ff;
Background color
Panel with #66e3ff background
background-color: #66e3ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66e3ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 227, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 227, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66e3ff; background: linear-gradient(135deg, #66e3ff, #667DFF);