#28dbb0
a balanced, vivid cyan · cool · closest name: aquamarine
RGB
40, 219, 176
HSL
166°, 71%, 51%
CMYK
82, 0, 20, 14
Luminance
0.5425
Every format
| HEX | #28dbb0 |
| RGB | rgb(40, 219, 176) |
| HSL | hsl(166, 71%, 51%) |
| CMYK | cmyk(82%, 0%, 20%, 14%) |
| LAB | lab(78.6 -52.7 9.1) |
| LCH | lch(78.6 53.5 170.2) |
| OKLCH | oklch(0.797 0.149 171.1) |
Copy-ready code
/* CSS */
color: #28dbb0;
background-color: #28dbb0;
/* Tailwind (arbitrary) */
class="text-[#28dbb0] bg-[#28dbb0]"
/* SCSS */
$brand: #28dbb0;
/* SwiftUI */
Color(red: 0.157, green: 0.859, blue: 0.690)
/* Android */
Color.parseColor("#28dbb0")Accessibility — WCAG contrast
Aa
#28dbb0 on white: 1.77:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28dbb0 on black: 11.85:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green85.9%
Blue69.0%
CMYK percentages
Cyan81.7%
Magenta0.0%
Yellow19.6%
Key (black)14.1%
Color previews
#28dbb0 text on a black background
contrast 11.85:1
Card sample
#28dbb0 text on a white background
contrast 1.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28dbb0;
Background color
Panel with #28dbb0 background
background-color: #28dbb0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28dbb0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 219, 176, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 219, 176, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28dbb0; background: linear-gradient(135deg, #28dbb0, #288FDB);