1. A system for scanning a surface comprising: an imager having image sensor pixels that each acquire images in each of at least a first image color and a second image color; an illumination assembly constructed and arranged to simultaneously provide a first illumination type in a first illumination color recognized by the imager as the first image color and a second illumination type in a second illumination color recognized by the imager as the second image color; and a best image process that determines whether a best image for pattern recognition is provided in one of either the first image color or the second image color.