alloy damage

Does anyone know what the colour code for the copper on the Cupra R alloy is? I’ve asked a few alloy refurb companies and apperently they aren’t able to get the paint to repair it.

Discovered a slow puncture last Thursday so took this to a local garage which I've used a few times before for tyre replacements to get it fixed. Washed the car yesterday as car was filthy following Storm Ali and discovered all these scuff marks which are concentrated round the centre of the...