1. A color scheme evaluation apparatus, comprising: color range storage configured to store information about a color range of a color scheme for an evaluation target object constituting an evaluation target screen; and a processor configured to: create an evaluation criterion usable for evaluating a color scheme for the evaluation target object by interpreting a relationship of a group into which the evaluation target object is classified based on evaluation target object information and group relationship information, the evaluation target object information including information about the color scheme for the evaluation target object and one or more pieces of information about the group into which the evaluation target object is classified in accordance with a particular criterion, and the group relationship information including the relationship about the group; and evaluate the color scheme for the evaluation target object based on the evaluation criterion by referring to the information about the color range; wherein the processor is further configured to: evaluate whether different colors, for each of the groups, are assigned to the evaluation target object classified in a first group of one or more groups and a second group of one or more groups, wherein the second group is different from the first group, and wherein for the evaluation target object classified into the first group and the second group, the processor is configured to: calculate a first color value according to first calculation processing based on a color arranged to the evaluation target object classified into the first group, calculate a second color value according to second calculation processing based on a color arranged to the evaluation target object classified into the second group, and evaluate whether a difference between the first color value and the second color value is equal to or more than a predetermined criterion value, wherein the predetermined criterion value is a value calculated based on a value obtained by equally dividing a maximum value of a color range arranged to the evaluation target object by a total number of groups; and wherein the processor is further configured to: calculate the first color value based on a color in a color range in which a largest number of the evaluation target objects being classified into the first group are included, among the color schemes arranged to the evaluation target objects, calculate the second color value based on a color in a color range in which a largest number of the evaluation target objects being classified into the second group are included, among the color schemes arranged to the evaluation target objects, and evaluate whether a difference between the first color value and the second color value is equal to or more than the predetermined criterion value.