52720 Roadstar Orange
52721 Smoothster Yellow
52762 John Deere Motorsports Racing Dark Green
52773 Remington Racing Yellow
If you know a source or have some to sell, please contact me. Thanks.
In this case Google and/or Ebay might be your best hope.
Here is a link to Testors website PDF color chart. You might find something close in there, and get the number.
TestorsPremiumPaints color chart
There also the Model Master side too
eBay will probably be your best bet as most, if not all of the Testor’s line up has been discontinued. The NASCAR colors have been unobtanium to years.