#a1b921
a dark, vivid yellow · cool · closest name: olivedrab
RGB
161, 185, 33
HSL
70°, 70%, 43%
CMYK
13, 0, 82, 28
Luminance
0.4238
Every format
| HEX | #a1b921 |
| RGB | rgb(161, 185, 33) |
| HSL | hsl(70, 70%, 43%) |
| CMYK | cmyk(13%, 0%, 82%, 28%) |
| LAB | lab(71.1 -26.6 66.8) |
| LCH | lch(71.1 71.9 111.7) |
| OKLCH | oklch(0.742 0.166 118.9) |
Copy-ready code
/* CSS */
color: #a1b921;
background-color: #a1b921;
/* Tailwind (arbitrary) */
class="text-[#a1b921] bg-[#a1b921]"
/* SCSS */
$brand: #a1b921;
/* SwiftUI */
Color(red: 0.631, green: 0.725, blue: 0.129)
/* Android */
Color.parseColor("#a1b921")Accessibility — WCAG contrast
Aa
#a1b921 on white: 2.22:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#a1b921 on black: 9.48:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red63.1%
Green72.5%
Blue12.9%
CMYK percentages
Cyan13.0%
Magenta0.0%
Yellow82.2%
Key (black)27.5%
Color previews
#a1b921 text on a black background
contrast 9.48:1
Card sample
#a1b921 text on a white background
contrast 2.22:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a1b921;
Background color
Panel with #a1b921 background
background-color: #a1b921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a1b921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(161, 185, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(161, 185, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a1b921; background: linear-gradient(135deg, #a1b921, #3CB921);