How to convert a set of enumeration range from Delphi to C#?

Question

I have these Delphi types:

type Color = (Red, Green,Blue);
type Colors = set of Color;

then Colors is used as a property type in other types

I am trying to convert this to C#. My attempt:

 public enum Color
    {
    Red, Green,Blue
    }

public class Colors
{
  public Color[] CColor;
}

I was wondering if there's a better equivalent way.