Well, people will put glass on uppers and metal on lowers, often using the same metal on the glass hardware if it has a metal component.
I don't disagree with Anglophilia's point, though. Here's a Houzz article on mixing and matching kitchen hardware that might be interesting or helpful for you.
[https://www.houzz.com/magazine/how-to-mix-and-match-your-kitchen-cabinet-hardware-stsetivw-vs~111277499[(https://www.houzz.com/magazine/how-to-mix-and-match-your-kitchen-cabinet-hardware-stsetivw-vs~111277499)
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