With the use of digital cameras and individual monitor settings its real hard for a viewer to see what your seeing in person
Plenty of prior discussions on what members have found works the best and holds up the best (hint its not rattle cans
. As far as matching original colors I always (when I use to use rattle cans a few decades ago) found the Plasticote version to be spot on for the small block applications. Big blocks, likely due to he fact that they were assembled at a different plant, were always a slightly darker final look
And also welcome to the site. Hope you find the information and support helpful in your concours related projects