using System;

using Newtonsoft.Json;

using System.Runtime.Serialization;

​

​

public class Program

{

    public static void Main()

    {

​

        JsonSerializerSettings  ser = new JsonSerializerSettings ();

        var intObj = new ColorInfo() { ColorId=2, ColorName="Red",EffectiveDate = DateTime.MinValue, ColorCode=20 , RGBValue ="205-92-92"};

        var strOut = JsonConvert.SerializeObject(intObj,ser);

        Console.WriteLine(strOut);

    }

    [DataContract]

    public class ColorInfo

    {

        public int ColorId {get;set;}

        [DataMember]

        public string ColorName{get;set;}

        public DateTime EffectiveDate{get;set;}

        public string RGBValue { get;set; }

        public int ColorCode{get;set;}

    }

}