Custom Mix Spray Bomb

I get upset when I see Mighty Car Mods online youtube show and they go to a store like Autozone, and there is bench there with a machine, and you put in a paint chip, or give a paint code, select how faded you believe it to be... etc... then it mixes it and puts it in a spray can with a little red button on the bottom to release the hardener. Not fair. They're in Australia.