#a3cf21
a balanced, vivid green · cool · closest name: yellow
RGB
163, 207, 33
HSL
75°, 73%, 47%
CMYK
21, 0, 84, 19
Luminance
0.5252
Every format
| HEX | #a3cf21 |
| RGB | rgb(163, 207, 33) |
| HSL | hsl(75, 73%, 47%) |
| CMYK | cmyk(21%, 0%, 84%, 19%) |
| LAB | lab(77.6 -36.1 72.4) |
| LCH | lch(77.6 80.9 116.5) |
| OKLCH | oklch(0.795 0.189 124.1) |
Copy-ready code
/* CSS */
color: #a3cf21;
background-color: #a3cf21;
/* Tailwind (arbitrary) */
class="text-[#a3cf21] bg-[#a3cf21]"
/* SCSS */
$brand: #a3cf21;
/* SwiftUI */
Color(red: 0.639, green: 0.812, blue: 0.129)
/* Android */
Color.parseColor("#a3cf21")Accessibility — WCAG contrast
Aa
#a3cf21 on white: 1.83:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#a3cf21 on black: 11.50:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red63.9%
Green81.2%
Blue12.9%
CMYK percentages
Cyan21.3%
Magenta0.0%
Yellow84.1%
Key (black)18.8%
Color previews
#a3cf21 text on a black background
contrast 11.50:1
Card sample
#a3cf21 text on a white background
contrast 1.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a3cf21;
Background color
Panel with #a3cf21 background
background-color: #a3cf21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a3cf21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(163, 207, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(163, 207, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a3cf21; background: linear-gradient(135deg, #a3cf21, #2FCF21);