Donchian Channel Colors

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using cAlgo.API;
using cAlgo.API.Collections;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;

namespace cAlgo
{
    [Cloud("Upper Channel", "Middle Channel", FirstColor = "Green")]
    [Cloud("Middle Channel", "Bottom Channel", FirstColor = "Coral")]
    [Indicator(AccessRights = AccessRights.None, IsOverlay = true)]
    public class DonchianChannelExperto : Indicator
    {
        [Parameter(DefaultValue = "Hello world!")]
        public string Message { get; set; }

        [Output("Upper Channel", LineColor = "LawnGreen")]
        public IndicatorDataSeries DChannel_Upper { get; set; }
        
        [Output("Middle Channel", LineColor = "Gold")]
        public IndicatorDataSeries DChannel_Middle { get; set; }
        
        [Output("Bottom Channel", LineColor = "Coral")]
        public IndicatorDataSeries DChannel_Bottom { get; set; }
        
        public DonchianChannel DChannel;

        protected override void Initialize()
        {
            DChannel = Indicators.DonchianChannel(20);
        }

        public override void Calculate(int index)
        {
            DChannel_Upper[index] = DChannel.Top[index];
            
            DChannel_Middle[index] = DChannel.Middle[index];
            
            DChannel_Bottom[index] = DChannel.Bottom[index];
            
            if(Bars.ClosePrices[index] >= DChannel_Middle[index])
            {
                if(Bars.ClosePrices[index] >= Bars.OpenPrices[index])
                    Chart.SetBarColor(index, Color.LawnGreen);
                else if(Bars.ClosePrices[index] < Bars.OpenPrices[index])
                    Chart.SetBarColor(index, Color.YellowGreen); 
            }
            else if(Bars.ClosePrices[index] < DChannel_Middle[index])
            {
                if(Bars.ClosePrices[index] <= Bars.OpenPrices[index])
                    Chart.SetBarColor(index, Color.Red);
                else if(Bars.ClosePrices[index] > Bars.OpenPrices[index])
                    Chart.SetBarColor(index, Color.Coral);   
            
            }
            
        }
    }
}