#57fddb
a light, electric cyan · cool · closest name: aquamarine
RGB
87, 253, 219
HSL
168°, 98%, 67%
CMYK
66, 0, 13, 1
Luminance
0.7739
Every format
| HEX | #57fddb |
| RGB | rgb(87, 253, 219) |
| HSL | hsl(168, 98%, 67%) |
| CMYK | cmyk(66%, 0%, 13%, 1%) |
| LAB | lab(90.5 -50.5 3.7) |
| LCH | lch(90.5 50.7 175.8) |
| OKLCH | oklch(0.900 0.145 176.4) |
Copy-ready code
/* CSS */
color: #57fddb;
background-color: #57fddb;
/* Tailwind (arbitrary) */
class="text-[#57fddb] bg-[#57fddb]"
/* SCSS */
$brand: #57fddb;
/* SwiftUI */
Color(red: 0.341, green: 0.992, blue: 0.859)
/* Android */
Color.parseColor("#57fddb")Accessibility — WCAG contrast
Aa
#57fddb on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#57fddb on black: 16.48:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green99.2%
Blue85.9%
CMYK percentages
Cyan65.6%
Magenta0.0%
Yellow13.4%
Key (black)0.8%
Color previews
#57fddb text on a black background
contrast 16.48:1
Card sample
#57fddb text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #57fddb;
Background color
Panel with #57fddb background
background-color: #57fddb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #57fddb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 253, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 253, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #57fddb; background: linear-gradient(135deg, #57fddb, #57B0FD);