code: def get_bgcolor(self, index):
          
          value = self.get_value(index)
          if index.column() < 3:
              color = ReadOnlyCollectionsModel.get_bgcolor(self, index)
          else:
              if self.remote:
                  color_name = value['color']
              else:
                  color_name = get_color_name(value)
              color = QColor(color_name)
              color.setAlphaF(.2)
          return color
docs: Background color depending on value