Will a salon colour hair you've bleached at home yourself?

Completely depends on the salon. Most will however some won't generally if you have done your hair at home they will do it, but make you sign a wavier basically saying you know the risk of what could happen to your hair if the drugstore chemical doesn't react well with the salon dye. I have had had a similar situation happen to me when I first started dying my hair on my own and wasn't as experienced with certain dyes I had even used the same brand as you and in a red shade I then bleached it out went to the salon and they were able to fix it to a nice a honey blonde that I had wanted at the time, I did sign a wavier like I said though.