If the store wont take it back & refund your hard earned $$, I bet you would like the yarn done in fair isle patterns - with black or tan or some neutral. Then take the “good” ball & do one motif or whatever it takes to use up 1 repeat. You could make the clear bright part go across the bust or shoulders - whatever you want to accentuate. There is a woman who has made a career of that. She calls it “knitting to dye for”