The Select by Colour tool lets you quickly select all artwork painted or drawn with the selected colour. This makes it easy to select artwork from a single layer that contains different colours and shades.
In the Tools toolbar, click the Select by Colour button.
In the Stage view, select a layer.
Click on a colour.
All artwork painted or drawn with the selected colour is selected.
NOTE Selecting this tool is simply activates the Select tool with its Select by Colour mode enabled. You can achieve the same result by selecting the Select tool, then enabling the Select by Colour mode in the Tool Properties view.