#42e2db
a balanced, vivid cyan · cool · closest name: turquoise
RGB
66, 226, 219
HSL
177°, 73%, 57%
CMYK
71, 0, 3, 11
Luminance
0.6067
Every format
| HEX | #42e2db |
| RGB | rgb(66, 226, 219) |
| HSL | hsl(177, 73%, 57%) |
| CMYK | cmyk(71%, 0%, 3%, 11%) |
| LAB | lab(82.2 -41.8 -8.5) |
| LCH | lch(82.2 42.6 191.5) |
| OKLCH | oklch(0.831 0.129 190.6) |
Copy-ready code
/* CSS */
color: #42e2db;
background-color: #42e2db;
/* Tailwind (arbitrary) */
class="text-[#42e2db] bg-[#42e2db]"
/* SCSS */
$brand: #42e2db;
/* SwiftUI */
Color(red: 0.259, green: 0.886, blue: 0.859)
/* Android */
Color.parseColor("#42e2db")Accessibility — WCAG contrast
Aa
#42e2db on white: 1.60:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42e2db on black: 13.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green88.6%
Blue85.9%
CMYK percentages
Cyan70.8%
Magenta0.0%
Yellow3.1%
Key (black)11.4%
Color previews
#42e2db text on a black background
contrast 13.13:1
Card sample
#42e2db text on a white background
contrast 1.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42e2db;
Background color
Panel with #42e2db background
background-color: #42e2db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42e2db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 226, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 226, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42e2db; background: linear-gradient(135deg, #42e2db, #427EE2);