MaterialSkin

var materialSkinManager = MaterialSkinManager.Instance;
      materialSkinManager.AddFormToManage(this);
      materialSkinManager.Theme = MaterialSkinManager.Themes.LIGHT;
      materialSkinManager.ColorScheme = new ColorScheme(Primary.BlueGrey800, Primary.BlueGrey900, Primary.BlueGrey500, Accent.LightBlue200, TextShade.WHITE);