You could mix a color batch in butyrate, let it sit in the sun until it fades to the shade you want, then seal it with a clear coat. Or go ultimate and do it with nitrate dope, but watch for flamability.
Glenn 'Chip' Burt
Integrity-DOing the right thing, regardless of me.
Honor-SEEing the right thing in others, regarding them.
in Honor of Albert Ball. A valiant pilot, but a man of God first and last.