#42dfb0
a balanced, vivid cyan · cool · closest name: aquamarine
RGB
66, 223, 176
HSL
162°, 71%, 57%
CMYK
70, 0, 21, 13
Luminance
0.5707
Every format
| HEX | #42dfb0 |
| RGB | rgb(66, 223, 176) |
| HSL | hsl(162, 71%, 57%) |
| CMYK | cmyk(70%, 0%, 21%, 13%) |
| LAB | lab(80.2 -51.4 11.4) |
| LCH | lch(80.2 52.7 167.5) |
| OKLCH | oklch(0.811 0.146 168.5) |
Copy-ready code
/* CSS */
color: #42dfb0;
background-color: #42dfb0;
/* Tailwind (arbitrary) */
class="text-[#42dfb0] bg-[#42dfb0]"
/* SCSS */
$brand: #42dfb0;
/* SwiftUI */
Color(red: 0.259, green: 0.875, blue: 0.690)
/* Android */
Color.parseColor("#42dfb0")Accessibility — WCAG contrast
Aa
#42dfb0 on white: 1.69:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42dfb0 on black: 12.41:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green87.5%
Blue69.0%
CMYK percentages
Cyan70.4%
Magenta0.0%
Yellow21.1%
Key (black)12.5%
Color previews
#42dfb0 text on a black background
contrast 12.41:1
Card sample
#42dfb0 text on a white background
contrast 1.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42dfb0;
Background color
Panel with #42dfb0 background
background-color: #42dfb0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42dfb0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 223, 176, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 223, 176, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42dfb0; background: linear-gradient(135deg, #42dfb0, #42A5DF);