hairdye and bleach schenanigans

okay so for the summer, im planning on lifting my hair light enough to go teal, so i need some help. question, whats the best way to lift a mix of black box dye, blue box dye, and red box dye?? i was red originally, but just slapped blue ontop instead of bleaching the red out so i know that when i bleach, it wont be guaranteed that it'll come out light enough cause last time i bleached, my hair came out pink.

so do u guys think i can do it or am i just cooked??

idk, let me know some brands, tips, or even some hair ideas to fit with what im working with!!