Colorism is only one element of racist ideology. There's no such thing as a Pure hWhite, even in the usual "created perfect and then interbred with inferior stock" setup, and outside of some esoteric kinds of white supremacism there's no such thing as a purely non-white person either

And that's without getting into the US' successful efforts to customize white supremacist ideology for adoption in Latin America and propagate it (plus terrorism skills) to large numbers of LatAm military officers