#40d4d4
a balanced, vivid cyan · cool · closest name: turquoise
RGB
64, 212, 212
HSL
180°, 63%, 54%
CMYK
70, 0, 0, 17
Luminance
0.5293
Every format
| HEX | #40d4d4 |
| RGB | rgb(64, 212, 212) |
| HSL | hsl(180, 63%, 54%) |
| CMYK | cmyk(70%, 0%, 0%, 17%) |
| LAB | lab(77.8 -37.6 -11.3) |
| LCH | lch(77.8 39.3 196.7) |
| OKLCH | oklch(0.795 0.121 195.0) |
Copy-ready code
/* CSS */
color: #40d4d4;
background-color: #40d4d4;
/* Tailwind (arbitrary) */
class="text-[#40d4d4] bg-[#40d4d4]"
/* SCSS */
$brand: #40d4d4;
/* SwiftUI */
Color(red: 0.251, green: 0.831, blue: 0.831)
/* Android */
Color.parseColor("#40d4d4")Accessibility — WCAG contrast
Aa
#40d4d4 on white: 1.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40d4d4 on black: 11.59:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green83.1%
Blue83.1%
CMYK percentages
Cyan69.8%
Magenta0.0%
Yellow0.0%
Key (black)16.9%
Color previews
#40d4d4 text on a black background
contrast 11.59:1
Card sample
#40d4d4 text on a white background
contrast 1.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40d4d4;
Background color
Panel with #40d4d4 background
background-color: #40d4d4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40d4d4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 212, 212, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 212, 212, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40d4d4; background: linear-gradient(135deg, #40d4d4, #4071D4);