#309c57
a dark, vivid green · cool · closest name: seagreen
RGB
48, 156, 87
HSL
142°, 53%, 40%
CMYK
69, 0, 44, 39
Luminance
0.2509
Every format
| HEX | #309c57 |
| RGB | rgb(48, 156, 87) |
| HSL | hsl(142, 53%, 40%) |
| CMYK | cmyk(69%, 0%, 44%, 39%) |
| LAB | lab(57.2 -46.2 27.5) |
| LCH | lch(57.2 53.8 149.3) |
| OKLCH | oklch(0.615 0.142 151.5) |
Copy-ready code
/* CSS */
color: #309c57;
background-color: #309c57;
/* Tailwind (arbitrary) */
class="text-[#309c57] bg-[#309c57]"
/* SCSS */
$brand: #309c57;
/* SwiftUI */
Color(red: 0.188, green: 0.612, blue: 0.341)
/* Android */
Color.parseColor("#309c57")Accessibility — WCAG contrast
Aa
#309c57 on white: 3.49:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#309c57 on black: 6.02:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green61.2%
Blue34.1%
CMYK percentages
Cyan69.2%
Magenta0.0%
Yellow44.2%
Key (black)38.8%
Color previews
#309c57 text on a black background
contrast 6.02:1
Card sample
#309c57 text on a white background
contrast 3.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #309c57;
Background color
Panel with #309c57 background
background-color: #309c57;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #309c57;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 156, 87, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 156, 87, 0.45);
Border & gradient
Gradient panel
border: 3px solid #309c57; background: linear-gradient(135deg, #309c57, #30999C);