There are a few ways to match the color of your vinyl siding. You can take a sample of the siding to a local hardware or paint store to find a matching color, or you can use a computer program to find a complementary color. You can also contact the manufacturer of the siding to see if they have a recommended color match. Another option is to hire a professional painting company to do the job for you. They will be able to match the color of your siding and give you an estimated cost for the project.