Color

using cAlgo.API;

namespace cAlgo;

public partial class Test : Indicator
{
    protected override void Initialize()
    {
        Chart.ColorSettings.BackgroundColor = BackgroundColor;
    }

    public override void Calculate(int index)
    {
    }
}

import clr
clr.AddReference("cAlgo.API")

from cAlgo.API import *

class Test():
    def initialize(self):
        api.Chart.ColorSettings.BackgroundColor = api.BackgroundColor

{
  "AccessRights": "None",
  "Parameters": [
    {
      "Name": "BackgroundColor",
      "DisplayName": "Background Color",
      "Type": "Color",
      "DefaultValue": "#168565"
    }
  ]
}