I bleached my jeans helpp?

i had a stain on my white jeans and i was trying to get the stain off with the tide only for white clothes bleach pen stain remover, and i forgot that it had bleach in it. well actually since it was for only white clothes i didnt even think about the bleack......now the little part that i tried to remove the stain from is greenish yellow! I washed the jeans and it faded a little, but it's still visible. how can i fix thiss??? i heard that there isnt anything i can do, but maybe somebody knows something?? i dont wanna get rid of it, it was new and it cost me alot. please somebody helppp mee ;(((((