#42cccf
a balanced, vivid cyan · cool · closest name: turquoise
RGB
66, 204, 207
HSL
181°, 60%, 54%
CMYK
68, 1, 0, 19
Luminance
0.4885
Every format
| HEX | #42cccf |
| RGB | rgb(66, 204, 207) |
| HSL | hsl(181, 60%, 54%) |
| CMYK | cmyk(68%, 1%, 0%, 19%) |
| LAB | lab(75.3 -35.1 -12.3) |
| LCH | lch(75.3 37.1 199.3) |
| OKLCH | oklch(0.774 0.115 197.2) |
Copy-ready code
/* CSS */
color: #42cccf;
background-color: #42cccf;
/* Tailwind (arbitrary) */
class="text-[#42cccf] bg-[#42cccf]"
/* SCSS */
$brand: #42cccf;
/* SwiftUI */
Color(red: 0.259, green: 0.800, blue: 0.812)
/* Android */
Color.parseColor("#42cccf")Accessibility — WCAG contrast
Aa
#42cccf on white: 1.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42cccf on black: 10.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green80.0%
Blue81.2%
CMYK percentages
Cyan68.1%
Magenta1.4%
Yellow0.0%
Key (black)18.8%
Color previews
#42cccf text on a black background
contrast 10.77:1
Card sample
#42cccf text on a white background
contrast 1.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42cccf;
Background color
Panel with #42cccf background
background-color: #42cccf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42cccf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 204, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 204, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42cccf; background: linear-gradient(135deg, #42cccf, #426ECF);