#40ffcf
a balanced, electric cyan · cool · closest name: aquamarine
RGB
64, 255, 207
HSL
165°, 100%, 63%
CMYK
75, 0, 19, 0
Luminance
0.7711
Every format
| HEX | #40ffcf |
| RGB | rgb(64, 255, 207) |
| HSL | hsl(165, 100%, 63%) |
| CMYK | cmyk(75%, 0%, 19%, 0%) |
| LAB | lab(90.4 -57.2 9.7) |
| LCH | lch(90.4 58.0 170.4) |
| OKLCH | oklch(0.897 0.162 171.2) |
Copy-ready code
/* CSS */
color: #40ffcf;
background-color: #40ffcf;
/* Tailwind (arbitrary) */
class="text-[#40ffcf] bg-[#40ffcf]"
/* SCSS */
$brand: #40ffcf;
/* SwiftUI */
Color(red: 0.251, green: 1.000, blue: 0.812)
/* Android */
Color.parseColor("#40ffcf")Accessibility — WCAG contrast
Aa
#40ffcf on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40ffcf on black: 16.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green100.0%
Blue81.2%
CMYK percentages
Cyan74.9%
Magenta0.0%
Yellow18.8%
Key (black)0.0%
Color previews
#40ffcf text on a black background
contrast 16.42:1
Card sample
#40ffcf text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40ffcf;
Background color
Panel with #40ffcf background
background-color: #40ffcf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40ffcf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 255, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 255, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40ffcf; background: linear-gradient(135deg, #40ffcf, #40B0FF);