#28f3cf
a balanced, electric cyan · cool · closest name: aquamarine
RGB
40, 243, 207
HSL
169°, 89%, 56%
CMYK
84, 0, 15, 5
Luminance
0.6906
Every format
| HEX | #28f3cf |
| RGB | rgb(40, 243, 207) |
| HSL | hsl(169, 89%, 56%) |
| CMYK | cmyk(84%, 0%, 15%, 5%) |
| LAB | lab(86.5 -54.6 4.2) |
| LCH | lch(86.5 54.8 175.7) |
| OKLCH | oklch(0.864 0.156 176.3) |
Copy-ready code
/* CSS */
color: #28f3cf;
background-color: #28f3cf;
/* Tailwind (arbitrary) */
class="text-[#28f3cf] bg-[#28f3cf]"
/* SCSS */
$brand: #28f3cf;
/* SwiftUI */
Color(red: 0.157, green: 0.953, blue: 0.812)
/* Android */
Color.parseColor("#28f3cf")Accessibility — WCAG contrast
Aa
#28f3cf on white: 1.42:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28f3cf on black: 14.81:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green95.3%
Blue81.2%
CMYK percentages
Cyan83.5%
Magenta0.0%
Yellow14.8%
Key (black)4.7%
Color previews
#28f3cf text on a black background
contrast 14.81:1
Card sample
#28f3cf text on a white background
contrast 1.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28f3cf;
Background color
Panel with #28f3cf background
background-color: #28f3cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28f3cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 243, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 243, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28f3cf; background: linear-gradient(135deg, #28f3cf, #2890F3);