I think if you keep it a factory paint scheme, and do it properly by painting all the door jams, boot and the engine bay you should be fine.
Painting it the latest flavour of the month yolo commodore color will ruin the car in my opinion.
Best of luck to you, its an absolute mission to paint an DR30 coupe, it's so hard to find new or good quality rubbers and fittings, especially the mirror triangles, and the rubbers between the rear qtr panel glass.
Post a build thread!