#40dfb8
a balanced, vivid cyan · cool · closest name: aquamarine
RGB
64, 223, 184
HSL
165°, 71%, 56%
CMYK
71, 0, 18, 13
Luminance
0.5733
Every format
| HEX | #40dfb8 |
| RGB | rgb(64, 223, 184) |
| HSL | hsl(165, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 18%, 13%) |
| LAB | lab(80.4 -49.8 7.4) |
| LCH | lch(80.4 50.3 171.5) |
| OKLCH | oklch(0.813 0.141 172.4) |
Copy-ready code
/* CSS */
color: #40dfb8;
background-color: #40dfb8;
/* Tailwind (arbitrary) */
class="text-[#40dfb8] bg-[#40dfb8]"
/* SCSS */
$brand: #40dfb8;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.722)
/* Android */
Color.parseColor("#40dfb8")Accessibility — WCAG contrast
Aa
#40dfb8 on white: 1.68:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40dfb8 on black: 12.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue72.2%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow17.5%
Key (black)12.5%
Color previews
#40dfb8 text on a black background
contrast 12.47:1
Card sample
#40dfb8 text on a white background
contrast 1.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40dfb8;
Background color
Panel with #40dfb8 background
background-color: #40dfb8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40dfb8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 184, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 184, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40dfb8; background: linear-gradient(135deg, #40dfb8, #409CDF);