Hello from a color blind scrapper who can't tell brass from copper

Just joined today after I saw a reference on gargage journal.



I buy a lot of old tools and my favorite things to buy are lots and bundles. As such, sometimes the items have no value to me so I like to scrap the metals. Copper, brass, aluminum and even steel. Makes no sense to thow things in the garbage if you can get cash for it and help the environment. I think scrapping's kind of fun. I enjoy the breakdowns.

Anyway, anyone else have trouble telling brass from copper, and if so, are you color blind? I'm red-green color blind but don't know how that applies to my brass / copper issue.