#b3ff00
a balanced, electric green · cool · closest name: yellow
RGB
179, 255, 0
HSL
78°, 100%, 50%
CMYK
30, 0, 100, 0
Luminance
0.8110
Every format
| HEX | #b3ff00 |
| RGB | rgb(179, 255, 0) |
| HSL | hsl(78, 100%, 50%) |
| CMYK | cmyk(30%, 0%, 100%, 0%) |
| LAB | lab(92.2 -51.3 88.6) |
| LCH | lch(92.2 102.3 120.1) |
| OKLCH | oklch(0.915 0.240 128.2) |
Copy-ready code
/* CSS */
color: #b3ff00;
background-color: #b3ff00;
/* Tailwind (arbitrary) */
class="text-[#b3ff00] bg-[#b3ff00]"
/* SCSS */
$brand: #b3ff00;
/* SwiftUI */
Color(red: 0.702, green: 1.000, blue: 0.000)
/* Android */
Color.parseColor("#b3ff00")Accessibility — WCAG contrast
Aa
#b3ff00 on white: 1.22:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#b3ff00 on black: 17.22:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red70.2%
Green100.0%
Blue0.0%
CMYK percentages
Cyan29.8%
Magenta0.0%
Yellow100.0%
Key (black)0.0%
Color previews
#b3ff00 text on a black background
contrast 17.22:1
Card sample
#b3ff00 text on a white background
contrast 1.22:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b3ff00;
Background color
Panel with #b3ff00 background
background-color: #b3ff00;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b3ff00;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(179, 255, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(179, 255, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b3ff00; background: linear-gradient(135deg, #b3ff00, #09FF00);