Marti it will be on a PPG sticker under or on the bonnet.
Only get the paint mixed by a PPG stockist and check its not actually a pearl paint. You do this by checking the PPG Nexus range. If it's listed it will be a 3 stage pearl/flip paint.
Using the PPG recipe to mix it from a generic system always ends in poor match results.
Brown Brothers are a PPG stockist, check their website for your nearest branch.