#40decb
a balanced, vivid cyan · cool · “turquoise”
RGB
64, 222, 203
HSL
173°, 71%, 56%
CMYK
71, 0, 9, 13
Luminance
0.5764
Every format
| HEX | #40decb |
| RGB | rgb(64, 222, 203) |
| HSL | hsl(173, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 9%, 13%) |
| LAB | lab(80.5 -44.5 -2.4) |
| LCH | lch(80.5 44.6 183.1) |
| OKLCH | oklch(0.816 0.131 183.2) |
Copy-ready code
/* CSS */
color: #40decb;
background-color: #40decb;
/* Tailwind (arbitrary) */
class="text-[#40decb] bg-[#40decb]"
/* SCSS */
$brand: #40decb;
/* SwiftUI */
Color(red: 0.251, green: 0.871, blue: 0.796)
/* Android */
Color.parseColor("#40decb")Accessibility — WCAG contrast
Aa
#40decb on white: 1.68:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40decb on black: 12.53:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.1%
Blue79.6%
CMYK percentages
Cyan71.2%
Magenta0.0%
Yellow8.6%
Key (black)12.9%
Color previews
#40decb text on a black background
contrast 12.53:1
Card sample
#40decb text on a white background
contrast 1.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40decb;
Background color
Panel with #40decb background
background-color: #40decb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40decb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 222, 203, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 222, 203, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40decb; background: linear-gradient(135deg, #40decb, #4088DE);