Frisket Film has saved my sanity 

If you are going to paint fine detail, and want sharp accurate edges, use THIS product.

The fluro orange albeit in a tube is a pretty close match. Thinned it down heaps and still struggled with it in the air brush.

Results : I'm no professional, and trying my best, but I think I'm getting there. Hopefully the clear coat will assist in coving my imperfections.

Two more orange rings to paint on Monday, and that might just about be the playfield 'touched'