#818e21
a dark, vivid yellow · cool · closest name: olive
RGB
129, 142, 33
HSL
67°, 62%, 34%
CMYK
9, 0, 77, 44
Luminance
0.2412
Every format
| HEX | #818e21 |
| RGB | rgb(129, 142, 33) |
| HSL | hsl(67, 62%, 34%) |
| CMYK | cmyk(9%, 0%, 77%, 44%) |
| LAB | lab(56.2 -18.9 52.4) |
| LCH | lch(56.2 55.7 109.8) |
| OKLCH | oklch(0.616 0.129 116.4) |
Copy-ready code
/* CSS */
color: #818e21;
background-color: #818e21;
/* Tailwind (arbitrary) */
class="text-[#818e21] bg-[#818e21]"
/* SCSS */
$brand: #818e21;
/* SwiftUI */
Color(red: 0.506, green: 0.557, blue: 0.129)
/* Android */
Color.parseColor("#818e21")Accessibility — WCAG contrast
Aa
#818e21 on white: 3.61:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#818e21 on black: 5.82:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red50.6%
Green55.7%
Blue12.9%
CMYK percentages
Cyan9.2%
Magenta0.0%
Yellow76.8%
Key (black)44.3%
Color previews
#818e21 text on a black background
contrast 5.82:1
Card sample
#818e21 text on a white background
contrast 3.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #818e21;
Background color
Panel with #818e21 background
background-color: #818e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #818e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(129, 142, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(129, 142, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #818e21; background: linear-gradient(135deg, #818e21, #388E21);