#57ffcf
a light, electric cyan · cool · closest name: aquamarine
RGB
87, 255, 207
HSL
163°, 100%, 67%
CMYK
66, 0, 19, 0
Luminance
0.7805
Every format
| HEX | #57ffcf |
| RGB | rgb(87, 255, 207) |
| HSL | hsl(163, 100%, 67%) |
| CMYK | cmyk(66%, 0%, 19%, 0%) |
| LAB | lab(90.8 -54.2 10.4) |
| LCH | lch(90.8 55.2 169.2) |
| OKLCH | oklch(0.901 0.154 170.1) |
Copy-ready code
/* CSS */
color: #57ffcf;
background-color: #57ffcf;
/* Tailwind (arbitrary) */
class="text-[#57ffcf] bg-[#57ffcf]"
/* SCSS */
$brand: #57ffcf;
/* SwiftUI */
Color(red: 0.341, green: 1.000, blue: 0.812)
/* Android */
Color.parseColor("#57ffcf")Accessibility — WCAG contrast
Aa
#57ffcf on white: 1.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57ffcf on black: 16.61:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green100.0%
Blue81.2%
CMYK percentages
Cyan65.9%
Magenta0.0%
Yellow18.8%
Key (black)0.0%
Color previews
#57ffcf text on a black background
contrast 16.61:1
Card sample
#57ffcf text on a white background
contrast 1.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57ffcf;
Background color
Panel with #57ffcf background
background-color: #57ffcf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57ffcf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 255, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 255, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57ffcf; background: linear-gradient(135deg, #57ffcf, #57BFFF);