#66ffec
a light, electric cyan · cool · closest name: turquoise
RGB
102, 255, 236
HSL
173°, 100%, 70%
CMYK
60, 0, 8, 0
Luminance
0.8040
Every format
| HEX | #66ffec |
| RGB | rgb(102, 255, 236) |
| HSL | hsl(173, 100%, 70%) |
| CMYK | cmyk(60%, 0%, 8%, 0%) |
| LAB | lab(91.9 -44.8 -3.0) |
| LCH | lch(91.9 44.9 183.9) |
| OKLCH | oklch(0.913 0.132 183.9) |
Copy-ready code
/* CSS */
color: #66ffec;
background-color: #66ffec;
/* Tailwind (arbitrary) */
class="text-[#66ffec] bg-[#66ffec]"
/* SCSS */
$brand: #66ffec;
/* SwiftUI */
Color(red: 0.400, green: 1.000, blue: 0.925)
/* Android */
Color.parseColor("#66ffec")Accessibility — WCAG contrast
Aa
#66ffec on white: 1.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ffec on black: 17.08:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green100.0%
Blue92.5%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow7.5%
Key (black)0.0%
Color previews
#66ffec text on a black background
contrast 17.08:1
Card sample
#66ffec text on a white background
contrast 1.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ffec;
Background color
Panel with #66ffec background
background-color: #66ffec;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ffec;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 255, 236, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 255, 236, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ffec; background: linear-gradient(135deg, #66ffec, #66ACFF);