Mixing Metals
Divide your metals into two groups:
1) Working Metals
Appliances, Sink, Faucet.
2) Decorative Metals
Cabinet hardware, Light fixtures.
Then assign each group one metal for everything in that category.
A way to add interest to this way of mixing metals is to use a few different types of cabinet hardware and lighting fixtures, all with the same metal finish to tie it all together!
Here’s a little video explaining this method of mixing metals: