1. An apparatus comprising: a database including a plurality of digital color images and a neutral gray background value for each of the images; a processor configured to receive search criteria and to identify one or more of the digital color images meeting the search criteria; and a display configured to display at least one of the identified digital color images on a neutral gray background, wherein the brightness of the neutral gray background is determined by the neutral gray background value for the image being displayed, and when multiple digital color images are displayed, the neutral gray background is determined by an average of the neutral gray background values for the displayed digital color images.