1. An apparatus for reproducing an optimized preference color using candidate images and natural language, the apparatus comprising: a preference color-natural language information memory which stores characteristic information of a preference color mapped on a natural language; a candidate image provider module which provides a plurality of candidate images obtained by applying the characteristic information to an original image; and a candidate preference image input module which inputs one image, which satisfies a user's preference, among the plurality of candidate images, wherein the characteristic information includes the preference color, and a plurality of characteristics expressed by the natural language for the preference color.