#66ffad
a light, electric green · cool · closest name: aquamarine
RGB
102, 255, 173
HSL
148°, 100%, 70%
CMYK
60, 0, 32, 0
Luminance
0.7736
Every format
| HEX | #66ffad |
| RGB | rgb(102, 255, 173) |
| HSL | hsl(148, 100%, 70%) |
| CMYK | cmyk(60%, 0%, 32%, 0%) |
| LAB | lab(90.5 -58.7 27.4) |
| LCH | lch(90.5 64.8 155.0) |
| OKLCH | oklch(0.898 0.174 156.6) |
Copy-ready code
/* CSS */
color: #66ffad;
background-color: #66ffad;
/* Tailwind (arbitrary) */
class="text-[#66ffad] bg-[#66ffad]"
/* SCSS */
$brand: #66ffad;
/* SwiftUI */
Color(red: 0.400, green: 1.000, blue: 0.678)
/* Android */
Color.parseColor("#66ffad")Accessibility — WCAG contrast
Aa
#66ffad on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ffad on black: 16.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green100.0%
Blue67.8%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow32.2%
Key (black)0.0%
Color previews
#66ffad text on a black background
contrast 16.47:1
Card sample
#66ffad text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ffad;
Background color
Panel with #66ffad background
background-color: #66ffad;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ffad;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 255, 173, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 255, 173, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ffad; background: linear-gradient(135deg, #66ffad, #66EBFF);