Here in Malaysia, my ex was very loath to hold hands (never any cheek kissing), sometimes using the hot weather (sweaty hands) as an explanation or just that we're in a homophobic society. But I see young butch femme couples walking around holding hands all the time. Or, walking very close together. (Or having sex in the toilets, but that's another story).
I don't know if it would be different - better or worse - if I were with a white partner or not. Certainly years ago in NZ I had yelling from passing cars, stones thrown, and other fun stuff while with a girlfriend and holding hands.
It was funny being in Korea. I could walk around holding any woman's hand and no one would blink an eyelid because it's culturally acceptable. I would often hold hands or walk arm in arm with my straight mate. But walk around NZ, hand in hand with one of my sisters.
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For them it's all about "someone might think we're gay."
Like lots of other people, I'm very affectionate. I'm not fond of tonsil hockey though.