#66feee
a light, electric cyan · cool · closest name: turquoise
RGB
102, 254, 238
HSL
174°, 99%, 70%
CMYK
60, 0, 6, 0
Luminance
0.7988
Every format
| HEX | #66feee |
| RGB | rgb(102, 254, 238) |
| HSL | hsl(174, 99%, 70%) |
| CMYK | cmyk(60%, 0%, 6%, 0%) |
| LAB | lab(91.6 -43.9 -4.4) |
| LCH | lch(91.6 44.1 185.7) |
| OKLCH | oklch(0.912 0.131 185.5) |
Copy-ready code
/* CSS */
color: #66feee;
background-color: #66feee;
/* Tailwind (arbitrary) */
class="text-[#66feee] bg-[#66feee]"
/* SCSS */
$brand: #66feee;
/* SwiftUI */
Color(red: 0.400, green: 0.996, blue: 0.933)
/* Android */
Color.parseColor("#66feee")Accessibility — WCAG contrast
Aa
#66feee on white: 1.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66feee on black: 16.98:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green99.6%
Blue93.3%
CMYK percentages
Cyan59.8%
Magenta0.0%
Yellow6.3%
Key (black)0.4%
Color previews
#66feee text on a black background
contrast 16.98:1
Card sample
#66feee text on a white background
contrast 1.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66feee;
Background color
Panel with #66feee background
background-color: #66feee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66feee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 254, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 254, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66feee; background: linear-gradient(135deg, #66feee, #66A9FE);