Vinyl Flooring in Bathroom?

My navy blue bath mats in my bathroom have stained my white vinyl floor. I have tried bleach, Mr Clean Eraser pads, alcohol, peroxide, lemons, salt, baking soda, and scouring powder. If anyone has any other suggestions feel free. I will continue to use rugs to camoflauge. We want to sell the house and don't want the expense of replacing the flooring.

By Peyton