#37dfb3
a balanced, vivid cyan · cool · closest name: aquamarine
RGB
55, 223, 179
HSL
164°, 72%, 55%
CMYK
75, 0, 20, 13
Luminance
0.5684
Every format
| HEX | #37dfb3 |
| RGB | rgb(55, 223, 179) |
| HSL | hsl(164, 72%, 55%) |
| CMYK | cmyk(75%, 0%, 20%, 13%) |
| LAB | lab(80.1 -52.1 9.6) |
| LCH | lch(80.1 53.0 169.5) |
| OKLCH | oklch(0.810 0.147 170.4) |
Copy-ready code
/* CSS */
color: #37dfb3;
background-color: #37dfb3;
/* Tailwind (arbitrary) */
class="text-[#37dfb3] bg-[#37dfb3]"
/* SCSS */
$brand: #37dfb3;
/* SwiftUI */
Color(red: 0.216, green: 0.875, blue: 0.702)
/* Android */
Color.parseColor("#37dfb3")Accessibility — WCAG contrast
Aa
#37dfb3 on white: 1.70:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37dfb3 on black: 12.37:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green87.5%
Blue70.2%
CMYK percentages
Cyan75.3%
Magenta0.0%
Yellow19.7%
Key (black)12.5%
Color previews
#37dfb3 text on a black background
contrast 12.37:1
Card sample
#37dfb3 text on a white background
contrast 1.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37dfb3;
Background color
Panel with #37dfb3 background
background-color: #37dfb3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37dfb3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 223, 179, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 223, 179, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37dfb3; background: linear-gradient(135deg, #37dfb3, #379BDF);