#42dfdc
a balanced, vivid cyan · cool · closest name: turquoise
RGB
66, 223, 220
HSL
179°, 71%, 57%
CMYK
70, 0, 1, 13
Luminance
0.5910
Every format
| HEX | #42dfdc |
| RGB | rgb(66, 223, 220) |
| HSL | hsl(179, 71%, 57%) |
| CMYK | cmyk(70%, 0%, 1%, 13%) |
| LAB | lab(81.3 -40.1 -10.3) |
| LCH | lch(81.3 41.4 194.4) |
| OKLCH | oklch(0.824 0.127 193.1) |
Copy-ready code
/* CSS */
color: #42dfdc;
background-color: #42dfdc;
/* Tailwind (arbitrary) */
class="text-[#42dfdc] bg-[#42dfdc]"
/* SCSS */
$brand: #42dfdc;
/* SwiftUI */
Color(red: 0.259, green: 0.875, blue: 0.863)
/* Android */
Color.parseColor("#42dfdc")Accessibility — WCAG contrast
Aa
#42dfdc on white: 1.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42dfdc on black: 12.82:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green87.5%
Blue86.3%
CMYK percentages
Cyan70.4%
Magenta0.0%
Yellow1.3%
Key (black)12.5%
Color previews
#42dfdc text on a black background
contrast 12.82:1
Card sample
#42dfdc text on a white background
contrast 1.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42dfdc;
Background color
Panel with #42dfdc background
background-color: #42dfdc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42dfdc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 223, 220, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 223, 220, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42dfdc; background: linear-gradient(135deg, #42dfdc, #4279DF);