Oh, stupid fan question. I've been trying to get a visual of what the Quarth look like in my mind. In terms of what race they might be in our world. Tall and pale but I don't believe their hair color was mentioned. Would they be Western European looking? Slavic? Whenever their culture is mentioned I always think of either Persian or Indians.
I have tried to mix and match ethnic and cultural traits in creating my imaginary fantasy peoples, so there are no direct one-for-one correspodences. The Dothraki, for example, are based in part on the Mongols, the Alans, and the Huns, but their skin coloring is Amerindian. The Qartheen are an even more exotic hybrid, and offhand I don't recall where I got all the cuttings.