#b4fb21
a balanced, electric green · cool · closest name: yellow
RGB
180, 251, 33
HSL
80°, 97%, 56%
CMYK
28, 0, 87, 2
Luminance
0.7881
Every format
| HEX | #b4fb21 |
| RGB | rgb(180, 251, 33) |
| HSL | hsl(80, 97%, 56%) |
| CMYK | cmyk(28%, 0%, 87%, 2%) |
| LAB | lab(91.2 -48.8 84.2) |
| LCH | lch(91.2 97.3 120.1) |
| OKLCH | oklch(0.907 0.230 127.8) |
Copy-ready code
/* CSS */
color: #b4fb21;
background-color: #b4fb21;
/* Tailwind (arbitrary) */
class="text-[#b4fb21] bg-[#b4fb21]"
/* SCSS */
$brand: #b4fb21;
/* SwiftUI */
Color(red: 0.706, green: 0.984, blue: 0.129)
/* Android */
Color.parseColor("#b4fb21")Accessibility — WCAG contrast
Aa
#b4fb21 on white: 1.25:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#b4fb21 on black: 16.76:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red70.6%
Green98.4%
Blue12.9%
CMYK percentages
Cyan28.3%
Magenta0.0%
Yellow86.9%
Key (black)1.6%
Color previews
#b4fb21 text on a black background
contrast 16.76:1
Card sample
#b4fb21 text on a white background
contrast 1.25:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b4fb21;
Background color
Panel with #b4fb21 background
background-color: #b4fb21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b4fb21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(180, 251, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(180, 251, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b4fb21; background: linear-gradient(135deg, #b4fb21, #23FB21);