I have really dark brown hair should i get caramel highlights or should i go lighter or darker?

Caramel will be excellent. With more lighter u risk to get some orange or yellow highlights which aren't very cute.

I have really dark brown hair should i get caramel highlights or should i go lighter or darker?

i think carmel highlights would look good or maybe even lighter. you could try red too. but if you choose a darker color it might not show as much and in fact, it would be hard to tell the difference.

I have really dark brown hair should i get caramel highlights or should i go lighter or darker?

really dark brown hair 9-2-3 sades lighter would be the right thing to do dont go darker light er would be good caramel hights is good or golden highlights