#42dfb2
a balanced, vivid cyan · cool · closest name: aquamarine
RGB
66, 223, 178
HSL
163°, 71%, 57%
CMYK
70, 0, 20, 13
Luminance
0.5715
Every format
| HEX | #42dfb2 |
| RGB | rgb(66, 223, 178) |
| HSL | hsl(163, 71%, 57%) |
| CMYK | cmyk(70%, 0%, 20%, 13%) |
| LAB | lab(80.3 -50.9 10.4) |
| LCH | lch(80.3 52.0 168.4) |
| OKLCH | oklch(0.812 0.144 169.4) |
Copy-ready code
/* CSS */
color: #42dfb2;
background-color: #42dfb2;
/* Tailwind (arbitrary) */
class="text-[#42dfb2] bg-[#42dfb2]"
/* SCSS */
$brand: #42dfb2;
/* SwiftUI */
Color(red: 0.259, green: 0.875, blue: 0.698)
/* Android */
Color.parseColor("#42dfb2")Accessibility — WCAG contrast
Aa
#42dfb2 on white: 1.69:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42dfb2 on black: 12.43:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green87.5%
Blue69.8%
CMYK percentages
Cyan70.4%
Magenta0.0%
Yellow20.2%
Key (black)12.5%
Color previews
#42dfb2 text on a black background
contrast 12.43:1
Card sample
#42dfb2 text on a white background
contrast 1.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42dfb2;
Background color
Panel with #42dfb2 background
background-color: #42dfb2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42dfb2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 223, 178, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 223, 178, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42dfb2; background: linear-gradient(135deg, #42dfb2, #42A3DF);