Color Processing with Bluebeam Revu – Edit colors in your PDF files
Use Color Processing with Bluebeam Revu for converting a pdf to Grayscale or black and white, modify colors, and colorize. You are in full control of your PDF object colors with Bluebeam Revu.
Colors can be changed to other colors, color PDFs can be changed to grayscale or black and white, color properties like luminosity, saturation and hue can be manipulated, and transparent areas can be created in images.
Update: See where Color Processing is in Revu 2018