Color.scala

object Color {

  def create(r: Int, g: Int, b: Int): Color = {
     new Color(r, g, b)
  }

}

class Color(r: Int, g: Int, b: Int) {

  def unary_! = {
    new Color(255-r, 255-g, 255-b)
  }

  def getR() : Int = r

  def getG() : Int = g

  def getB() : Int = b

  override def toString(): String = s"r: $r, g: $g, b: $b"

}