2020 – 2022 C8 Corvette C8.R rear plate blackout These C8 Corvette C8.R rear plate blackout will actually come in many other colors. The best subtle combo would be gloss carbon flash background and letter/number in matte carbon flash. For more visible, gloss carbon flash background and letter/number in matte metallic dark gray. They are made using the highest quality vinyl from 3M 1080/2080, Oracal 951/970RA, and Avery 950/Supreme.