1. An image apparatus for providing an estimated final illuminant of a scene, the image apparatus comprising: a capturing system that captures an input image of the scene, the input image including a plurality of input colors, the input image being captured while at an apparatus setting; and a control system that compares at least one of the input colors to an illuminant database that includes an illuminant gamut of observable colors for a plurality of possible illuminants, and evaluates the apparatus setting to select one of the possible illuminants to be the estimated final illuminant.