#40f0cf
a balanced, electric cyan · cool · closest name: aquamarine
RGB
64, 240, 207
HSL
169°, 85%, 60%
CMYK
73, 0, 14, 6
Luminance
0.6792
Every format
| HEX | #40f0cf |
| RGB | rgb(64, 240, 207) |
| HSL | hsl(169, 85%, 60%) |
| CMYK | cmyk(73%, 0%, 14%, 6%) |
| LAB | lab(86.0 -51.1 3.4) |
| LCH | lch(86.0 51.3 176.2) |
| OKLCH | oklch(0.861 0.146 176.8) |
Copy-ready code
/* CSS */
color: #40f0cf;
background-color: #40f0cf;
/* Tailwind (arbitrary) */
class="text-[#40f0cf] bg-[#40f0cf]"
/* SCSS */
$brand: #40f0cf;
/* SwiftUI */
Color(red: 0.251, green: 0.941, blue: 0.812)
/* Android */
Color.parseColor("#40f0cf")Accessibility — WCAG contrast
Aa
#40f0cf on white: 1.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40f0cf on black: 14.58:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green94.1%
Blue81.2%
CMYK percentages
Cyan73.3%
Magenta0.0%
Yellow13.7%
Key (black)5.9%
Color previews
#40f0cf text on a black background
contrast 14.58:1
Card sample
#40f0cf text on a white background
contrast 1.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40f0cf;
Background color
Panel with #40f0cf background
background-color: #40f0cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40f0cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 240, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 240, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40f0cf; background: linear-gradient(135deg, #40f0cf, #409BF0);