Hair color..HELP?

i had recently dyed my hair from medium brown, to jet black. now, the way im getting my hair done reqiures it to be light brown. i already tryed a dark golden brown and it didnt take to my hair, just the roots! how can i easily get my hair light light brown from black, with a store bought box color? the salons not an option im getting my hair done tomorrow!!! help meeee

Hair color..HELP?

i dont know as much about hair as i do about clothes, but when you dye fabric, you have to take the old dye out first. do they sell dye remover in stores, they have it in salons, try that