You can find a kit at the craft store which enables you to do this.I WANT TO KNOW HOW TO MAKE MY OWN SPRAY PAINT AND SEAL THE CANS?
You can't ~ it takes a special sort of machine. But what you can do, it take your custom color of paint over to a Paint %26amp; Hardware store and ask them to decant the paint into spray cans for you. This costs about $15 a can.
I WANT TO KNOW HOW TO MAKE MY OWN SPRAY PAINT AND SEAL THE CANS?
Caution there. There's a lot of capital investment required:
handling of flammable volatiles, licensing etc.
Most small outfits have their formulations made up for them by
a few large 'canners'.