class_docstr: A row of controls and a data item
code: def on_color_change(self, event):
      self.data.color = tuple(
          [float(c) / 255.0 for c in self.color_ctrl.GetColour()]
      )
      self.workspace_view.redraw()
  
file_path: CellProfiler/src/frontend/cellprofiler/gui/workspace_view/_workspace_view_row.py
imports: import wx
  import wx.lib.colourselect
  from ..artist import MODE_HIDE
label_desc: Use image node_id 4 for calling the WorkspaceViewRow obj's underlying member method code with example usage: obj.on_color_change(event) without return types