#309c51
a dark, vivid green · cool · closest name: seagreen
RGB
48, 156, 81
HSL
138°, 53%, 40%
CMYK
69, 0, 48, 39
Luminance
0.2500
Every format
| HEX | #309c51 |
| RGB | rgb(48, 156, 81) |
| HSL | hsl(138, 53%, 40%) |
| CMYK | cmyk(69%, 0%, 48%, 39%) |
| LAB | lab(57.1 -47.3 30.5) |
| LCH | lch(57.1 56.3 147.1) |
| OKLCH | oklch(0.614 0.147 149.6) |
Copy-ready code
/* CSS */
color: #309c51;
background-color: #309c51;
/* Tailwind (arbitrary) */
class="text-[#309c51] bg-[#309c51]"
/* SCSS */
$brand: #309c51;
/* SwiftUI */
Color(red: 0.188, green: 0.612, blue: 0.318)
/* Android */
Color.parseColor("#309c51")Accessibility — WCAG contrast
Aa
#309c51 on white: 3.50:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#309c51 on black: 6.00:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green61.2%
Blue31.8%
CMYK percentages
Cyan69.2%
Magenta0.0%
Yellow48.1%
Key (black)38.8%
Color previews
#309c51 text on a black background
contrast 6.00:1
Card sample
#309c51 text on a white background
contrast 3.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #309c51;
Background color
Panel with #309c51 background
background-color: #309c51;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #309c51;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 156, 81, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 156, 81, 0.45);
Border & gradient
Gradient panel
border: 3px solid #309c51; background: linear-gradient(135deg, #309c51, #309C99);