class Color:
    def __init__(self, r, g, b, a=1):
        self.r = r
        self.g = g
        self.b = b
        self.a = a

    def getR(self):
        return self.r

    def getG(self):
        return self.g

    def getB(self):
        return self.b

    def getA(self):
        return self.a
