How to get yellow out of vinyl flooring?

I am not sure if you can clean away the yellowing. BUT, you can paint it! They make many paints now to do this ( ask at you local home improvement store) , and i have seen several where people painted then stenciled over them to look like a tile. You can be as simple or as elaborate as you wish. Best wishes!

Try soaking with ammonia to remove any old residue. If anything can get it out, that will. Remember to have the area ventilated.

Andrea stay away from bleach it will make it worse.

I use a water dilution 2 - 1 with toilet bowl cleaner. Miracle white though be sure to wear gloves. No need to scrub. Mostly use on ceramic tiled floors.