#66ffdf
a light, electric cyan · cool · closest name: aquamarine
RGB
102, 255, 223
HSL
168°, 100%, 70%
CMYK
60, 0, 13, 0
Luminance
0.7967
Every format
| HEX | #66ffdf |
| RGB | rgb(102, 255, 223) |
| HSL | hsl(168, 100%, 70%) |
| CMYK | cmyk(60%, 0%, 13%, 0%) |
| LAB | lab(91.5 -48.0 3.2) |
| LCH | lch(91.5 48.1 176.2) |
| OKLCH | oklch(0.910 0.138 176.8) |
Copy-ready code
/* CSS */
color: #66ffdf;
background-color: #66ffdf;
/* Tailwind (arbitrary) */
class="text-[#66ffdf] bg-[#66ffdf]"
/* SCSS */
$brand: #66ffdf;
/* SwiftUI */
Color(red: 0.400, green: 1.000, blue: 0.875)
/* Android */
Color.parseColor("#66ffdf")Accessibility — WCAG contrast
Aa
#66ffdf on white: 1.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ffdf on black: 16.93:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green100.0%
Blue87.5%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow12.5%
Key (black)0.0%
Color previews
#66ffdf text on a black background
contrast 16.93:1
Card sample
#66ffdf text on a white background
contrast 1.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ffdf;
Background color
Panel with #66ffdf background
background-color: #66ffdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ffdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 255, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 255, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ffdf; background: linear-gradient(135deg, #66ffdf, #66B9FF);