#66fff0
a light, electric cyan · cool · closest name: cyan
RGB
102, 255, 240
HSL
174°, 100%, 70%
CMYK
60, 0, 6, 0
Luminance
0.8064
Every format
| HEX | #66fff0 |
| RGB | rgb(102, 255, 240) |
| HSL | hsl(174, 100%, 70%) |
| CMYK | cmyk(60%, 0%, 6%, 0%) |
| LAB | lab(92.0 -43.8 -5.0) |
| LCH | lch(92.0 44.1 186.4) |
| OKLCH | oklch(0.915 0.131 186.2) |
Copy-ready code
/* CSS */
color: #66fff0;
background-color: #66fff0;
/* Tailwind (arbitrary) */
class="text-[#66fff0] bg-[#66fff0]"
/* SCSS */
$brand: #66fff0;
/* SwiftUI */
Color(red: 0.400, green: 1.000, blue: 0.941)
/* Android */
Color.parseColor("#66fff0")Accessibility — WCAG contrast
Aa
#66fff0 on white: 1.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66fff0 on black: 17.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green100.0%
Blue94.1%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow5.9%
Key (black)0.0%
Color previews
#66fff0 text on a black background
contrast 17.13:1
Card sample
#66fff0 text on a white background
contrast 1.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66fff0;
Background color
Panel with #66fff0 background
background-color: #66fff0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66fff0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 255, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 255, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66fff0; background: linear-gradient(135deg, #66fff0, #66A8FF);