What color is the offspring of a purple and green flower?

If purple is dominant and green is recessive and they are both pure, all your flowers will be purple. A= dominate a= recessive. Therefor if we make an allele chart with AA (purple) and aa (green), you'd end up with 4 Aa's. You'd only get one green if you had another Aa (purple) or 2 if you had an aa (green)