Yes, racial classifications are based on a combination of factors, pigmentation is one of them. Baltids are known for lighter hair, light eyes (>80%), stubby noses, wide and short faces, very robust bone structure. Kouprianova has none of that.
She looks dark, even for a Pontid, which is why she stands out.
Heh, Russia is trying to re-colonize Siberia because it's depopulating, you might be a prime candidate for deportation for saying Russians look more like niggers than even Chechens. Be careful what you say 