#37dfab
a balanced, vivid cyan · cool · closest name: aquamarine
RGB
55, 223, 171
HSL
161°, 72%, 55%
CMYK
75, 0, 23, 13
Luminance
0.5653
Every format
| HEX | #37dfab |
| RGB | rgb(55, 223, 171) |
| HSL | hsl(161, 72%, 55%) |
| CMYK | cmyk(75%, 0%, 23%, 13%) |
| LAB | lab(79.9 -54.0 13.6) |
| LCH | lch(79.9 55.7 165.8) |
| OKLCH | oklch(0.808 0.153 166.9) |
Copy-ready code
/* CSS */
color: #37dfab;
background-color: #37dfab;
/* Tailwind (arbitrary) */
class="text-[#37dfab] bg-[#37dfab]"
/* SCSS */
$brand: #37dfab;
/* SwiftUI */
Color(red: 0.216, green: 0.875, blue: 0.671)
/* Android */
Color.parseColor("#37dfab")Accessibility — WCAG contrast
Aa
#37dfab on white: 1.71:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37dfab on black: 12.31:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green87.5%
Blue67.1%
CMYK percentages
Cyan75.3%
Magenta0.0%
Yellow23.3%
Key (black)12.5%
Color previews
#37dfab text on a black background
contrast 12.31:1
Card sample
#37dfab text on a white background
contrast 1.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37dfab;
Background color
Panel with #37dfab background
background-color: #37dfab;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37dfab;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 223, 171, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 223, 171, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37dfab; background: linear-gradient(135deg, #37dfab, #37A3DF);