I've used https://www.automotivetouchup.com/ several times and recommend them. They sell rattle cans of match color for just about any make/model/year, including, for example, more than 2 dozen Mopar colors for 1969.

I painted the rear and front bumper covers, part of front fender, door handles, and rocker panels on a modern BC/CC car with excellent results and match. For base coat, used their one-component rattle can, but for clear coat, used their made in Germany 2-component rattle can with required 3M respirator ($20). Once you mix the parts you have about a day to use it or lose it.

Admittedly, this was done for a car that was for sale, so I can't vouch for how long it will hold up, but they say the 2-part clear coat is OE quality.

I will use them again.