#57ffdf
a light, electric cyan · cool · closest name: aquamarine
RGB
87, 255, 223
HSL
169°, 100%, 67%
CMYK
66, 0, 13, 0
Luminance
0.7887
Every format
| HEX | #57ffdf |
| RGB | rgb(87, 255, 223) |
| HSL | hsl(169, 100%, 67%) |
| CMYK | cmyk(66%, 0%, 13%, 0%) |
| LAB | lab(91.2 -50.4 2.6) |
| LCH | lch(91.2 50.5 177.0) |
| OKLCH | oklch(0.906 0.145 177.5) |
Copy-ready code
/* CSS */
color: #57ffdf;
background-color: #57ffdf;
/* Tailwind (arbitrary) */
class="text-[#57ffdf] bg-[#57ffdf]"
/* SCSS */
$brand: #57ffdf;
/* SwiftUI */
Color(red: 0.341, green: 1.000, blue: 0.875)
/* Android */
Color.parseColor("#57ffdf")Accessibility — WCAG contrast
Aa
#57ffdf on white: 1.25:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57ffdf on black: 16.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green100.0%
Blue87.5%
CMYK percentages
Cyan65.9%
Magenta0.0%
Yellow12.5%
Key (black)0.0%
Color previews
#57ffdf text on a black background
contrast 16.77:1
Card sample
#57ffdf text on a white background
contrast 1.25:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57ffdf;
Background color
Panel with #57ffdf background
background-color: #57ffdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57ffdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 255, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 255, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57ffdf; background: linear-gradient(135deg, #57ffdf, #57AFFF);