The pxColorMatch plug-in lets you replace one color with another. It works on images and tree branches holding geometry alike.
Note: This plug-in is located in: Plugins -> Container plug-ins -> pxColorWorks
Weighting: Defines the color range proximity to the selected color.
Inertia: Defines the smoothness of the range proximity graph.
Count: Defines the number of color replace pairs you wish to use.