PDF (adobe.com)

Select similar colors throughout a document

  1. Select an area of color with a marquee or lasso tool, or with the Magic Wand tool.

  2. Choose Select > Select Similar.

    One or more marquees show all areas containing the selected range of pixels. This depends on the current Tolerance setting in the Property inspector for the Magic Wand tool.

    Note: To adjust the tolerance for the Select Similar command, select the Magic Wand tool and change the Tolerance setting in the Property inspector before using the command. Or, select the Live marquee box to change the Tolerance setting while using the Magic Wand tool.