She's palomino for sure. But there are many different shades of palomino.
She might have a very strong sooty gene presence that could turn her into a "chocolate" palomino. Or just sooty in areas, or stay golden, or really light. You'll know if a few months what she'll be when she sheds that baby coat.
Palominos often change throughout seasons too. And from year to year. So they can be quite the surprise. LoL