You’re Mad!

Seriously though, the OP has the pre-WLTP 300, so black mirrors, red callipers, silver badges then bronze wheels will be a right hash of different colours.

Might not be so bad on the post-WLTP cars, but the colour appears more ‘gold’ than ‘copper’ so will probably clash too.

Bronze and Copper decals are become more popular on new cars at the moment.
 
Here is my Blue fr with Matt Silver wheels
 

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I think the gunmetal looks fine with the blue. As good as anything I think.