#37eee4
a balanced, electric cyan · cool · closest name: turquoise
RGB
55, 238, 228
HSL
177°, 84%, 58%
CMYK
77, 0, 4, 7
Luminance
0.6756
Every format
| HEX | #37eee4 |
| RGB | rgb(55, 238, 228) |
| HSL | hsl(177, 84%, 58%) |
| CMYK | cmyk(77%, 0%, 4%, 7%) |
| LAB | lab(85.8 -45.7 -7.9) |
| LCH | lch(85.8 46.4 189.8) |
| OKLCH | oklch(0.861 0.140 189.2) |
Copy-ready code
/* CSS */
color: #37eee4;
background-color: #37eee4;
/* Tailwind (arbitrary) */
class="text-[#37eee4] bg-[#37eee4]"
/* SCSS */
$brand: #37eee4;
/* SwiftUI */
Color(red: 0.216, green: 0.933, blue: 0.894)
/* Android */
Color.parseColor("#37eee4")Accessibility — WCAG contrast
Aa
#37eee4 on white: 1.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37eee4 on black: 14.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green93.3%
Blue89.4%
CMYK percentages
Cyan76.9%
Magenta0.0%
Yellow4.2%
Key (black)6.7%
Color previews
#37eee4 text on a black background
contrast 14.51:1
Card sample
#37eee4 text on a white background
contrast 1.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37eee4;
Background color
Panel with #37eee4 background
background-color: #37eee4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37eee4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 238, 228, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 238, 228, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37eee4; background: linear-gradient(135deg, #37eee4, #377EEE);