#83b821
a dark, vivid green · cool · closest name: olivedrab
RGB
131, 184, 33
HSL
81°, 70%, 43%
CMYK
29, 0, 82, 28
Luminance
0.3922
Every format
| HEX | #83b821 |
| RGB | rgb(131, 184, 33) |
| HSL | hsl(81, 70%, 43%) |
| CMYK | cmyk(29%, 0%, 82%, 28%) |
| LAB | lab(68.9 -38.2 64.0) |
| LCH | lch(68.9 74.6 120.8) |
| OKLCH | oklch(0.719 0.178 128.2) |
Copy-ready code
/* CSS */
color: #83b821;
background-color: #83b821;
/* Tailwind (arbitrary) */
class="text-[#83b821] bg-[#83b821]"
/* SCSS */
$brand: #83b821;
/* SwiftUI */
Color(red: 0.514, green: 0.722, blue: 0.129)
/* Android */
Color.parseColor("#83b821")Accessibility — WCAG contrast
Aa
#83b821 on white: 2.37:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#83b821 on black: 8.84:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red51.4%
Green72.2%
Blue12.9%
CMYK percentages
Cyan28.8%
Magenta0.0%
Yellow82.1%
Key (black)27.8%
Color previews
#83b821 text on a black background
contrast 8.84:1
Card sample
#83b821 text on a white background
contrast 2.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #83b821;
Background color
Panel with #83b821 background
background-color: #83b821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #83b821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(131, 184, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(131, 184, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #83b821; background: linear-gradient(135deg, #83b821, #21B824);