I dyed my hair too dark, help?

So I've been dying my hair since i was like in 7th grade (i'm 16 now). and back then i used to dye it a burgandy brown. I'm a natural dirty blonde. so of course it looked redish brown. So anyways i could NEVER EVER get rid of the red, no matter how much i try. anyways, i haven't dyed my hair in a while (i use the semi permanate natural instincts) so the color was looking lighter with just a taaad of redish, not much though. and i tought i didn't like it that light so i dyed it dark again. Now thats all dark and unnatural looking, i hate it. I wish i could go back to that color i had two days ago. I did this yesterday and today i got that color oops stuff then redyed it a light golden brown. It turned out almost black again! and the roots of my hair are a redish dark brown. it looks so unnatural and sjkdhfjk gross! I was thinking of going to my uncle (he's an amazing hair dresser) and seeing if he could do anything to make my hair look more natural and lighter. But, i was worried my