#57ecc4
a balanced, electric cyan · cool · closest name: aquamarine
RGB
87, 236, 196
HSL
164°, 80%, 63%
CMYK
63, 0, 17, 8
Luminance
0.6600
Every format
| HEX | #57ecc4 |
| RGB | rgb(87, 236, 196) |
| HSL | hsl(164, 80%, 63%) |
| CMYK | cmyk(63%, 0%, 17%, 8%) |
| LAB | lab(85.0 -48.9 7.8) |
| LCH | lch(85.0 49.5 170.9) |
| OKLCH | oklch(0.853 0.139 171.8) |
Copy-ready code
/* CSS */
color: #57ecc4;
background-color: #57ecc4;
/* Tailwind (arbitrary) */
class="text-[#57ecc4] bg-[#57ecc4]"
/* SCSS */
$brand: #57ecc4;
/* SwiftUI */
Color(red: 0.341, green: 0.925, blue: 0.769)
/* Android */
Color.parseColor("#57ecc4")Accessibility — WCAG contrast
Aa
#57ecc4 on white: 1.48:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57ecc4 on black: 14.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green92.5%
Blue76.9%
CMYK percentages
Cyan63.1%
Magenta0.0%
Yellow16.9%
Key (black)7.5%
Color previews
#57ecc4 text on a black background
contrast 14.20:1
Card sample
#57ecc4 text on a white background
contrast 1.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57ecc4;
Background color
Panel with #57ecc4 background
background-color: #57ecc4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57ecc4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 236, 196, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 236, 196, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57ecc4; background: linear-gradient(135deg, #57ecc4, #57B1EC);