#a3d921
a balanced, vivid green · cool · closest name: yellow
RGB
163, 217, 33
HSL
78°, 74%, 49%
CMYK
25, 0, 85, 15
Luminance
0.5752
Every format
| HEX | #a3d921 |
| RGB | rgb(163, 217, 33) |
| HSL | hsl(78, 74%, 49%) |
| CMYK | cmyk(25%, 0%, 85%, 15%) |
| LAB | lab(80.5 -40.5 74.8) |
| LCH | lch(80.5 85.1 118.4) |
| OKLCH | oklch(0.818 0.201 126.1) |
Copy-ready code
/* CSS */
color: #a3d921;
background-color: #a3d921;
/* Tailwind (arbitrary) */
class="text-[#a3d921] bg-[#a3d921]"
/* SCSS */
$brand: #a3d921;
/* SwiftUI */
Color(red: 0.639, green: 0.851, blue: 0.129)
/* Android */
Color.parseColor("#a3d921")Accessibility — WCAG contrast
Aa
#a3d921 on white: 1.68:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#a3d921 on black: 12.50:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red63.9%
Green85.1%
Blue12.9%
CMYK percentages
Cyan24.9%
Magenta0.0%
Yellow84.8%
Key (black)14.9%
Color previews
#a3d921 text on a black background
contrast 12.50:1
Card sample
#a3d921 text on a white background
contrast 1.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a3d921;
Background color
Panel with #a3d921 background
background-color: #a3d921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a3d921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(163, 217, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(163, 217, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a3d921; background: linear-gradient(135deg, #a3d921, #28D921);