I'm still not really comfortable with the skintone vs. the hair, those two colors to me just don't really feel natural. Even if it is supposed to be Native American, the palette is a little too ruddy and gives off a sunburnt/airbrushed impression rather than a outdoors color.
Here is an example from Suikoden III, Lucia:
I'm assuming that Grasslands people are supposed to be Indian, but regardless, she's an example of blonde hair vs. darker skin tone. A real life example would be Keyshia Cole:
I dunno, I guess. I think maybe I might be making too hasty of a conclusion since you haven't done any shading on the hair yet, but the skintone I think is what really jumps out at me.