#28eee4
a balanced, electric cyan · cool · closest name: turquoise
RGB
40, 238, 228
HSL
177°, 85%, 55%
CMYK
83, 0, 4, 7
Luminance
0.6720
Every format
| HEX | #28eee4 |
| RGB | rgb(40, 238, 228) |
| HSL | hsl(177, 85%, 55%) |
| CMYK | cmyk(83%, 0%, 4%, 7%) |
| LAB | lab(85.6 -47.0 -8.2) |
| LCH | lch(85.6 47.7 189.9) |
| OKLCH | oklch(0.859 0.143 189.3) |
Copy-ready code
/* CSS */
color: #28eee4;
background-color: #28eee4;
/* Tailwind (arbitrary) */
class="text-[#28eee4] bg-[#28eee4]"
/* SCSS */
$brand: #28eee4;
/* SwiftUI */
Color(red: 0.157, green: 0.933, blue: 0.894)
/* Android */
Color.parseColor("#28eee4")Accessibility — WCAG contrast
Aa
#28eee4 on white: 1.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28eee4 on black: 14.44:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green93.3%
Blue89.4%
CMYK percentages
Cyan83.2%
Magenta0.0%
Yellow4.2%
Key (black)6.7%
Color previews
#28eee4 text on a black background
contrast 14.44:1
Card sample
#28eee4 text on a white background
contrast 1.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28eee4;
Background color
Panel with #28eee4 background
background-color: #28eee4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28eee4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 238, 228, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 238, 228, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28eee4; background: linear-gradient(135deg, #28eee4, #2874EE);