#28dfb3
a balanced, vivid cyan · cool · closest name: aquamarine
RGB
40, 223, 179
HSL
166°, 74%, 52%
CMYK
82, 0, 20, 13
Luminance
0.5648
Every format
| HEX | #28dfb3 |
| RGB | rgb(40, 223, 179) |
| HSL | hsl(166, 74%, 52%) |
| CMYK | cmyk(82%, 0%, 20%, 13%) |
| LAB | lab(79.9 -53.6 9.3) |
| LCH | lch(79.9 54.4 170.1) |
| OKLCH | oklch(0.808 0.151 171.0) |
Copy-ready code
/* CSS */
color: #28dfb3;
background-color: #28dfb3;
/* Tailwind (arbitrary) */
class="text-[#28dfb3] bg-[#28dfb3]"
/* SCSS */
$brand: #28dfb3;
/* SwiftUI */
Color(red: 0.157, green: 0.875, blue: 0.702)
/* Android */
Color.parseColor("#28dfb3")Accessibility — WCAG contrast
Aa
#28dfb3 on white: 1.71:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28dfb3 on black: 12.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green87.5%
Blue70.2%
CMYK percentages
Cyan82.1%
Magenta0.0%
Yellow19.7%
Key (black)12.5%
Color previews
#28dfb3 text on a black background
contrast 12.30:1
Card sample
#28dfb3 text on a white background
contrast 1.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28dfb3;
Background color
Panel with #28dfb3 background
background-color: #28dfb3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28dfb3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 223, 179, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 223, 179, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28dfb3; background: linear-gradient(135deg, #28dfb3, #2891DF);