#28eee9
a balanced, electric cyan · cool · closest name: cyan
RGB
40, 238, 233
HSL
179°, 85%, 55%
CMYK
83, 0, 2, 7
Luminance
0.6748
Every format
| HEX | #28eee9 |
| RGB | rgb(40, 238, 233) |
| HSL | hsl(179, 85%, 55%) |
| CMYK | cmyk(83%, 0%, 2%, 7%) |
| LAB | lab(85.7 -45.6 -10.6) |
| LCH | lch(85.7 46.8 193.1) |
| OKLCH | oklch(0.860 0.142 192.0) |
Copy-ready code
/* CSS */
color: #28eee9;
background-color: #28eee9;
/* Tailwind (arbitrary) */
class="text-[#28eee9] bg-[#28eee9]"
/* SCSS */
$brand: #28eee9;
/* SwiftUI */
Color(red: 0.157, green: 0.933, blue: 0.914)
/* Android */
Color.parseColor("#28eee9")Accessibility — WCAG contrast
Aa
#28eee9 on white: 1.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28eee9 on black: 14.50:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green93.3%
Blue91.4%
CMYK percentages
Cyan83.2%
Magenta0.0%
Yellow2.1%
Key (black)6.7%
Color previews
#28eee9 text on a black background
contrast 14.50:1
Card sample
#28eee9 text on a white background
contrast 1.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28eee9;
Background color
Panel with #28eee9 background
background-color: #28eee9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28eee9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 238, 233, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 238, 233, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28eee9; background: linear-gradient(135deg, #28eee9, #286FEE);