#a3fd21
a balanced, electric green · cool · closest name: lime
RGB
163, 253, 33
HSL
85°, 98%, 56%
CMYK
36, 0, 87, 1
Luminance
0.7815
Every format
| HEX | #a3fd21 |
| RGB | rgb(163, 253, 33) |
| HSL | hsl(85, 98%, 56%) |
| CMYK | cmyk(36%, 0%, 87%, 1%) |
| LAB | lab(90.8 -55.6 83.6) |
| LCH | lch(90.8 100.4 123.6) |
| OKLCH | oklch(0.902 0.240 131.2) |
Copy-ready code
/* CSS */
color: #a3fd21;
background-color: #a3fd21;
/* Tailwind (arbitrary) */
class="text-[#a3fd21] bg-[#a3fd21]"
/* SCSS */
$brand: #a3fd21;
/* SwiftUI */
Color(red: 0.639, green: 0.992, blue: 0.129)
/* Android */
Color.parseColor("#a3fd21")Accessibility — WCAG contrast
Aa
#a3fd21 on white: 1.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#a3fd21 on black: 16.63:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red63.9%
Green99.2%
Blue12.9%
CMYK percentages
Cyan35.6%
Magenta0.0%
Yellow87.0%
Key (black)0.8%
Color previews
#a3fd21 text on a black background
contrast 16.63:1
Card sample
#a3fd21 text on a white background
contrast 1.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a3fd21;
Background color
Panel with #a3fd21 background
background-color: #a3fd21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a3fd21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(163, 253, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(163, 253, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a3fd21; background: linear-gradient(135deg, #a3fd21, #21FD32);