<svg xmlns="http://www.w3.org/2000/svg">
<filter id="filter">
<feTurbulence type="fractalNoise" baseFrequency=".006" numOctaves="2"/>
<feComponentTransfer>
<feFuncA type="discrete" tableValues="0 1 0"/>
</feComponentTransfer>
<feColorMatrix values="0 0 0 1 0
0 0 0 1 0
0 0 0 1 0
0 0 0 0 1"/>
</filter>
<rect width="100%" height="100%" filter="url(#filter)"/>
</svg>
/* Add the seed attribute and set it to a random integer in <feTurbulence> to create your own variant! */
/* Minified (345 bytes):
<svg xmlns="http://www.w3.org/2000/svg"><filter id="a"><feTurbulence type="fractalNoise" baseFrequency=".006" numOctaves="2"/><feComponentTransfer><feFuncA type="discrete" tableValues="0 1 0"/></feComponentTransfer><feColorMatrix values="0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1"/></filter><rect width="100%" height="100%" filter="url(#a)"/></svg>
*/