#1ff521
a balanced, electric green · cool · closest name: lime
RGB
31, 245, 33
HSL
121°, 92%, 54%
CMYK
87, 0, 87, 4
Luminance
0.6571
Every format
| HEX | #1ff521 |
| RGB | rgb(31, 245, 33) |
| HSL | hsl(121, 92%, 54%) |
| CMYK | cmyk(87%, 0%, 87%, 4%) |
| LAB | lab(84.8 -81.5 77.0) |
| LCH | lch(84.8 112.2 136.6) |
| OKLCH | oklch(0.843 0.278 142.7) |
Copy-ready code
/* CSS */
color: #1ff521;
background-color: #1ff521;
/* Tailwind (arbitrary) */
class="text-[#1ff521] bg-[#1ff521]"
/* SCSS */
$brand: #1ff521;
/* SwiftUI */
Color(red: 0.122, green: 0.961, blue: 0.129)
/* Android */
Color.parseColor("#1ff521")Accessibility — WCAG contrast
Aa
#1ff521 on white: 1.49:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#1ff521 on black: 14.14:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.2%
Green96.1%
Blue12.9%
CMYK percentages
Cyan87.3%
Magenta0.0%
Yellow86.5%
Key (black)3.9%
Color previews
#1ff521 text on a black background
contrast 14.14:1
Card sample
#1ff521 text on a white background
contrast 1.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1ff521;
Background color
Panel with #1ff521 background
background-color: #1ff521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1ff521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(31, 245, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(31, 245, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1ff521; background: linear-gradient(135deg, #1ff521, #1FF5B0);