#66faff
a light, electric cyan · cool · closest name: cyan
RGB
102, 250, 255
HSL
182°, 100%, 70%
CMYK
60, 2, 0, 0
Luminance
0.7842
Every format
| HEX | #66faff |
| RGB | rgb(102, 250, 255) |
| HSL | hsl(182, 100%, 70%) |
| CMYK | cmyk(60%, 2%, 0%, 0%) |
| LAB | lab(91.0 -37.7 -14.2) |
| LCH | lch(91.0 40.3 200.7) |
| OKLCH | oklch(0.908 0.125 198.3) |
Copy-ready code
/* CSS */
color: #66faff;
background-color: #66faff;
/* Tailwind (arbitrary) */
class="text-[#66faff] bg-[#66faff]"
/* SCSS */
$brand: #66faff;
/* SwiftUI */
Color(red: 0.400, green: 0.980, blue: 1.000)
/* Android */
Color.parseColor("#66faff")Accessibility — WCAG contrast
Aa
#66faff on white: 1.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66faff on black: 16.68:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green98.0%
Blue100.0%
CMYK percentages
Cyan60.0%
Magenta2.0%
Yellow0.0%
Key (black)0.0%
Color previews
#66faff text on a black background
contrast 16.68:1
Card sample
#66faff text on a white background
contrast 1.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66faff;
Background color
Panel with #66faff background
background-color: #66faff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66faff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 250, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 250, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66faff; background: linear-gradient(135deg, #66faff, #6694FF);