#3ffa21
a balanced, electric green · cool · closest name: lime
RGB
63, 250, 33
HSL
112°, 96%, 56%
CMYK
75, 0, 87, 2
Luminance
0.6954
Every format
| HEX | #3ffa21 |
| RGB | rgb(63, 250, 33) |
| HSL | hsl(112, 96%, 56%) |
| CMYK | cmyk(75%, 0%, 87%, 2%) |
| LAB | lab(86.8 -79.5 78.9) |
| LCH | lch(86.8 112.0 135.2) |
| OKLCH | oklch(0.860 0.277 141.5) |
Copy-ready code
/* CSS */
color: #3ffa21;
background-color: #3ffa21;
/* Tailwind (arbitrary) */
class="text-[#3ffa21] bg-[#3ffa21]"
/* SCSS */
$brand: #3ffa21;
/* SwiftUI */
Color(red: 0.247, green: 0.980, blue: 0.129)
/* Android */
Color.parseColor("#3ffa21")Accessibility — WCAG contrast
Aa
#3ffa21 on white: 1.41:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3ffa21 on black: 14.91:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green98.0%
Blue12.9%
CMYK percentages
Cyan74.8%
Magenta0.0%
Yellow86.8%
Key (black)2.0%
Color previews
#3ffa21 text on a black background
contrast 14.91:1
Card sample
#3ffa21 text on a white background
contrast 1.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3ffa21;
Background color
Panel with #3ffa21 background
background-color: #3ffa21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3ffa21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 250, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 250, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3ffa21; background: linear-gradient(135deg, #3ffa21, #21FA94);