#818c01
a dark, electric yellow · cool · closest name: olive
RGB
129, 140, 1
HSL
65°, 99%, 28%
CMYK
8, 0, 99, 45
Luminance
0.2343
Every format
| HEX | #818c01 |
| RGB | rgb(129, 140, 1) |
| HSL | hsl(65, 99%, 28%) |
| CMYK | cmyk(8%, 0%, 99%, 45%) |
| LAB | lab(55.5 -18.8 59.2) |
| LCH | lch(55.5 62.1 107.6) |
| OKLCH | oklch(0.610 0.138 115.2) |
Copy-ready code
/* CSS */
color: #818c01;
background-color: #818c01;
/* Tailwind (arbitrary) */
class="text-[#818c01] bg-[#818c01]"
/* SCSS */
$brand: #818c01;
/* SwiftUI */
Color(red: 0.506, green: 0.549, blue: 0.004)
/* Android */
Color.parseColor("#818c01")Accessibility — WCAG contrast
Aa
#818c01 on white: 3.69:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#818c01 on black: 5.69:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red50.6%
Green54.9%
Blue0.4%
CMYK percentages
Cyan7.9%
Magenta0.0%
Yellow99.3%
Key (black)45.1%
Color previews
#818c01 text on a black background
contrast 5.69:1
Card sample
#818c01 text on a white background
contrast 3.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #818c01;
Background color
Panel with #818c01 background
background-color: #818c01;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #818c01;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(129, 140, 1, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(129, 140, 1, 0.45);
Border & gradient
Gradient panel
border: 3px solid #818c01; background: linear-gradient(135deg, #818c01, #248C01);