What hair color would someone that has had light brown hair her whole life look good with?

I am looking to change my hair a little. I have had light brown hair my whole life, but I want to change it up a little. Darker or lighter? Lowlights or highlights?What hair color would someone that has had light brown hair her whole life look good with?
Blonde. You can choose a midtone. Depending on your complexion you can choose a golden or an ash tone i'd say golden looks the best. Try l'oreal preference.