can anyone help?

[jadaqwest]

im trying to clean my huaraches i stepped in asphalt/tar mixure  (on saturday i tried cleaning them the same day) which turned my shoes yellow at the bottom ive tried jason markk solution with brush which didnt do anything to change yellowing on shoes if anyone has a better way to get rid of dirt or yellowing let me know...thanks in advance to all who help

 

[jadaqwest]

View media item 2111975 I'm sorry these are the pics its actually yellow on sides of shoes too