Girls. Share life hacks or proven methods. Light beige pants made of e…

Girls. Share life hacks or proven methods. Light beige pants made of eco-leather lay next to brown and black pants made of eco-leather. Dark colors imprinted on light pants, how to get rid of them? Alcohol doesn't take, soap doesn't either. Already by principle "burned shed, burn and house" I washed with bleach. If it doesn't come out and they survive, what else can you rub?