#40f4df
a balanced, electric cyan · cool · closest name: turquoise
RGB
64, 244, 223
HSL
173°, 89%, 60%
CMYK
74, 0, 9, 4
Luminance
0.7112
Every format
| HEX | #40f4df |
| RGB | rgb(64, 244, 223) |
| HSL | hsl(173, 89%, 60%) |
| CMYK | cmyk(74%, 0%, 9%, 4%) |
| LAB | lab(87.5 -48.7 -2.7) |
| LCH | lch(87.5 48.8 183.2) |
| OKLCH | oklch(0.875 0.143 183.2) |
Copy-ready code
/* CSS */
color: #40f4df;
background-color: #40f4df;
/* Tailwind (arbitrary) */
class="text-[#40f4df] bg-[#40f4df]"
/* SCSS */
$brand: #40f4df;
/* SwiftUI */
Color(red: 0.251, green: 0.957, blue: 0.875)
/* Android */
Color.parseColor("#40f4df")Accessibility — WCAG contrast
Aa
#40f4df on white: 1.38:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40f4df on black: 15.22:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green95.7%
Blue87.5%
CMYK percentages
Cyan73.8%
Magenta0.0%
Yellow8.6%
Key (black)4.3%
Color previews
#40f4df text on a black background
contrast 15.22:1
Card sample
#40f4df text on a white background
contrast 1.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40f4df;
Background color
Panel with #40f4df background
background-color: #40f4df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40f4df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 244, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 244, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40f4df; background: linear-gradient(135deg, #40f4df, #4091F4);