#40fdf6
a balanced, electric cyan · cool · closest name: cyan
RGB
64, 253, 246
HSL
178°, 98%, 62%
CMYK
75, 0, 3, 1
Luminance
0.7799
Every format
| HEX | #40fdf6 |
| RGB | rgb(64, 253, 246) |
| HSL | hsl(178, 98%, 62%) |
| CMYK | cmyk(75%, 0%, 3%, 1%) |
| LAB | lab(90.8 -46.5 -9.9) |
| LCH | lch(90.8 47.5 192.0) |
| OKLCH | oklch(0.903 0.144 191.1) |
Copy-ready code
/* CSS */
color: #40fdf6;
background-color: #40fdf6;
/* Tailwind (arbitrary) */
class="text-[#40fdf6] bg-[#40fdf6]"
/* SCSS */
$brand: #40fdf6;
/* SwiftUI */
Color(red: 0.251, green: 0.992, blue: 0.965)
/* Android */
Color.parseColor("#40fdf6")Accessibility — WCAG contrast
Aa
#40fdf6 on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40fdf6 on black: 16.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green99.2%
Blue96.5%
CMYK percentages
Cyan74.7%
Magenta0.0%
Yellow2.8%
Key (black)0.8%
Color previews
#40fdf6 text on a black background
contrast 16.60:1
Card sample
#40fdf6 text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40fdf6;
Background color
Panel with #40fdf6 background
background-color: #40fdf6;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40fdf6;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 253, 246, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 253, 246, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40fdf6; background: linear-gradient(135deg, #40fdf6, #4086FD);