I want my hair to be a light or medium brown color. I dyed y hair burgandy and it just turned all purple and I hated it. I have been using a clarifying shampoo everyday for a about 2 weeks just to fade the color and make it easier to cover. It is now a weird purplish redish brown and I want it completely brown. Do I use an ash or warm tone? What box brand do you recommend? Thanks!!