Advance Auto parts or any like that and get the Duplicolor paint in the quart can. Ready to spray. Around here, it is $22.95 a a can. So you need your color and some clear. one quart will paint like 5 bikes. And i'm no painter...stands up to gas spills better then regular spray can clear coat.
My 05. Jet black and silver base coat metallic. Base coat silver has more/larger flakes then standard metallic silver.
My 98 XLC hot rod, Lime green pearl metallic
Tins for a friend's 77 XLH purple metallic, metallic silver, bright blue accent.
His frame, screw powder coating. Metallic silver base coat.
My 75 XLCH. Jet black and True Blue metallic with a hint of white to brighten it to match Bahama blue.
And my 71 Bonnie/Tiger on a 67 frame, hard tailed. Jet black, no clear, and Ruby red metallic frame.

All over the counter/PQD paint colors.