If you don't find a match, you could always take a part into the paint supplier & have it custom mixed
Take out a drawer any drawer and take it into a automotive paint supply store. NAPA does paint for one . They should have a spectrograph or whatever it’s called . Shoot with the laser and use that magic calculation to custom mix your paint. I think it starts in half pint cans up gallon size whatever you need.
Get the good stuff . Epoxy prime, paint with hardened urethane. Imron or clone paint. The supplier can Square you away right quick
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They'll do rattle cans too