UnityEditor.ColorPicker.Show C# (CSharp) Method

        public static void Show(GUIView viewToUpdate, Color col)
        {
            Show(viewToUpdate, col, true, false, null);
        }

 private void OnEditButtonClicked(string libraryPath)
 {
     ColorPicker.Show(GUIView.current, Color.white, true, false);
     ColorPicker.instance.currentPresetLibrary = libraryPath;
 }