#a3b821
a dark, vivid yellow · cool · closest name: olivedrab
RGB
163, 184, 33
HSL
68°, 70%, 43%
CMYK
11, 0, 82, 28
Luminance
0.4218
Every format
| HEX | #a3b821 |
| RGB | rgb(163, 184, 33) |
| HSL | hsl(68, 70%, 43%) |
| CMYK | cmyk(11%, 0%, 82%, 28%) |
| LAB | lab(71.0 -25.3 66.7) |
| LCH | lch(71.0 71.3 110.7) |
| OKLCH | oklch(0.741 0.164 117.9) |
Copy-ready code
/* CSS */
color: #a3b821;
background-color: #a3b821;
/* Tailwind (arbitrary) */
class="text-[#a3b821] bg-[#a3b821]"
/* SCSS */
$brand: #a3b821;
/* SwiftUI */
Color(red: 0.639, green: 0.722, blue: 0.129)
/* Android */
Color.parseColor("#a3b821")Accessibility — WCAG contrast
Aa
#a3b821 on white: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#a3b821 on black: 9.44:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red63.9%
Green72.2%
Blue12.9%
CMYK percentages
Cyan11.4%
Magenta0.0%
Yellow82.1%
Key (black)27.8%
Color previews
#a3b821 text on a black background
contrast 9.44:1
Card sample
#a3b821 text on a white background
contrast 2.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a3b821;
Background color
Panel with #a3b821 background
background-color: #a3b821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a3b821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(163, 184, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(163, 184, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a3b821; background: linear-gradient(135deg, #a3b821, #3EB821);