1. A color value acquiring method comprising: an entry step of entering a shape of a target mark extracted from within a print sample and to be reproduced on a print; a printing step of printing a color chart comprising a plurality of color patches in which the shape of the entered target mark is simulated; a color value acquiring step of acquiring a color value, which corresponds to a color patch selected as representing a color that is close to a designated color to be reproduced, from within the printed color chart; and wherein, in the entry step, partial data representative of the print sample are extracted and entered as the shape of the target mark.