#66eec5
a light, electric cyan · cool · closest name: aquamarine
RGB
102, 238, 197
HSL
162°, 80%, 67%
CMYK
57, 0, 17, 7
Luminance
0.6801
Every format
| HEX | #66eec5 |
| RGB | rgb(102, 238, 197) |
| HSL | hsl(162, 80%, 67%) |
| CMYK | cmyk(57%, 0%, 17%, 7%) |
| LAB | lab(86.0 -46.8 8.8) |
| LCH | lch(86.0 47.6 169.4) |
| OKLCH | oklch(0.863 0.133 170.3) |
Copy-ready code
/* CSS */
color: #66eec5;
background-color: #66eec5;
/* Tailwind (arbitrary) */
class="text-[#66eec5] bg-[#66eec5]"
/* SCSS */
$brand: #66eec5;
/* SwiftUI */
Color(red: 0.400, green: 0.933, blue: 0.773)
/* Android */
Color.parseColor("#66eec5")Accessibility — WCAG contrast
Aa
#66eec5 on white: 1.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66eec5 on black: 14.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green93.3%
Blue77.3%
CMYK percentages
Cyan57.1%
Magenta0.0%
Yellow17.2%
Key (black)6.7%
Color previews
#66eec5 text on a black background
contrast 14.60:1
Card sample
#66eec5 text on a white background
contrast 1.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66eec5;
Background color
Panel with #66eec5 background
background-color: #66eec5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66eec5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 238, 197, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 238, 197, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66eec5; background: linear-gradient(135deg, #66eec5, #66BCEE);