Dark Top Bbs Can I Dye The Top Layer Dark Brown Re Bleach The Bottom Layer?

Can i dye the top layer dark brown re bleach the bottom layer? - dark top bbs

For now my hair is light brown with a pink background with only white reflections on the floor! I want to keep the blonde, but will not be pink background and the top layer of dark brown pigment. I do it? i bleached in about 3 weeks in fact, I would like to pink below. Dye and the top layer is the dark? Oh what can I do. Oh, and I'm at home.