#28856b
a dark, vivid cyan · cool · closest name: seagreen
RGB
40, 133, 107
HSL
163°, 54%, 34%
CMYK
70, 0, 20, 48
Luminance
0.1829
Every format
| HEX | #28856b |
| RGB | rgb(40, 133, 107) |
| HSL | hsl(163, 54%, 34%) |
| CMYK | cmyk(70%, 0%, 20%, 48%) |
| LAB | lab(49.8 -33.6 6.2) |
| LCH | lch(49.8 34.1 169.5) |
| OKLCH | oklch(0.556 0.095 170.4) |
Copy-ready code
/* CSS */
color: #28856b;
background-color: #28856b;
/* Tailwind (arbitrary) */
class="text-[#28856b] bg-[#28856b]"
/* SCSS */
$brand: #28856b;
/* SwiftUI */
Color(red: 0.157, green: 0.522, blue: 0.420)
/* Android */
Color.parseColor("#28856b")Accessibility — WCAG contrast
Aa
#28856b on white: 4.51:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#28856b on black: 4.66:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green52.2%
Blue42.0%
CMYK percentages
Cyan69.9%
Magenta0.0%
Yellow19.5%
Key (black)47.8%
Color previews
#28856b text on a black background
contrast 4.66:1
Card sample
#28856b text on a white background
contrast 4.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28856b;
Background color
Panel with #28856b background
background-color: #28856b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28856b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 133, 107, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 133, 107, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28856b; background: linear-gradient(135deg, #28856b, #286185);