Personally, I don’t think there’s anything wrong with interracial dating. So long as you don’t date the other person solely for their race or racial stereotypes. In your case, I think you’re fine since it sounds more like a preference of certain characteristics and not a fetish rooted in the whole submissive and docile stereotype that some people might associate with Asian women. I also don’t think you should worry about what other people think. Sure, some people would think you’re a creep with yellow fever but those people aren’t important in the long run. Focus on your partner and if she so happens to be Asian, then so be it. Love is love.