Is it shallow for me not to date this nice guy I find physically unattractive?

There's this guy who is really nice to me and has the same religion, but I don't find him physically attractive. Just because of that I don't want to date him.

I know this sounds shallow and such, so I have really bad guilt.

He's Mexican, and he lives in the USA while I live in Europe.

I can't really say what I particularly find unattractive about him, I just don't find him physically attractive.

I find white guys the most attractive as a white girl myself, I'm not racist but I just find white men more attractive.

I'm also scared that if I had kids with a guy of another race that my dad would be disappointed. He doesn't want me to have children with someone of a very different race. He prefers white.

I don't know what to do, because telling him I don't want to date him would be so rude and I don't want to hurt his feelings.

I'm not a 10/10, I'm average but in my opinion he is a little below average. I feel like for me to date someone they had to be at least a 6/10 in my eyes.

Is it shallow for me not to date this nice guy I find physically unattractive?
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