Is there a way to make a base64 encoded background image png black and white on hover with css only? -

i didn't found solution problem. seems possible if use svgs grayscale filters there easy way css only?

update:

filter: grayscale(100%); -webkit-filter: grayscale(100%); 

and

-webkit-filter: grayscale(0); filter: grayscale(0%); 

works newest firefox , chrome versions.

if have managed set background image data base64 string again :hover black , white data.