#a4ef21
a balanced, electric green · cool · closest name: yellow
RGB
164, 239, 33
HSL
82°, 87%, 53%
CMYK
31, 0, 86, 6
Luminance
0.6974
Every format
| HEX | #a4ef21 |
| RGB | rgb(164, 239, 33) |
| HSL | hsl(82, 87%, 53%) |
| CMYK | cmyk(31%, 0%, 86%, 6%) |
| LAB | lab(86.9 -49.5 80.3) |
| LCH | lch(86.9 94.3 121.7) |
| OKLCH | oklch(0.870 0.225 129.3) |
Copy-ready code
/* CSS */
color: #a4ef21;
background-color: #a4ef21;
/* Tailwind (arbitrary) */
class="text-[#a4ef21] bg-[#a4ef21]"
/* SCSS */
$brand: #a4ef21;
/* SwiftUI */
Color(red: 0.643, green: 0.937, blue: 0.129)
/* Android */
Color.parseColor("#a4ef21")Accessibility — WCAG contrast
Aa
#a4ef21 on white: 1.40:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#a4ef21 on black: 14.95:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red64.3%
Green93.7%
Blue12.9%
CMYK percentages
Cyan31.4%
Magenta0.0%
Yellow86.2%
Key (black)6.3%
Color previews
#a4ef21 text on a black background
contrast 14.95:1
Card sample
#a4ef21 text on a white background
contrast 1.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a4ef21;
Background color
Panel with #a4ef21 background
background-color: #a4ef21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a4ef21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(164, 239, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(164, 239, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a4ef21; background: linear-gradient(135deg, #a4ef21, #21EF27);