#66f5ff
a light, electric cyan · cool · closest name: cyan
RGB
102, 245, 255
HSL
184°, 100%, 70%
CMYK
60, 4, 0, 0
Luminance
0.7535
Every format
| HEX | #66f5ff |
| RGB | rgb(102, 245, 255) |
| HSL | hsl(184, 100%, 70%) |
| CMYK | cmyk(60%, 4%, 0%, 0%) |
| LAB | lab(89.5 -35.4 -16.3) |
| LCH | lch(89.5 39.0 204.8) |
| OKLCH | oklch(0.896 0.123 201.6) |
Copy-ready code
/* CSS */
color: #66f5ff;
background-color: #66f5ff;
/* Tailwind (arbitrary) */
class="text-[#66f5ff] bg-[#66f5ff]"
/* SCSS */
$brand: #66f5ff;
/* SwiftUI */
Color(red: 0.400, green: 0.961, blue: 1.000)
/* Android */
Color.parseColor("#66f5ff")Accessibility — WCAG contrast
Aa
#66f5ff on white: 1.31:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66f5ff on black: 16.07:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green96.1%
Blue100.0%
CMYK percentages
Cyan60.0%
Magenta3.9%
Yellow0.0%
Key (black)0.0%
Color previews
#66f5ff text on a black background
contrast 16.07:1
Card sample
#66f5ff text on a white background
contrast 1.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66f5ff;
Background color
Panel with #66f5ff background
background-color: #66f5ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66f5ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 245, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 245, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66f5ff; background: linear-gradient(135deg, #66f5ff, #668FFF);