There are various schemes to improve the environment of a rir in which we dwell. Among them environment color is one of formative elements that compose a city environment, the recognition about it is coming to be high gradually. A stabilized appropriate color of city environment gives a psychological social cultural effect to the people and also can be a useful method even in public information of city image, To give a citizen sensitive aesthetic and emotional satisfaction, a systematic rational design approach is necessary in an environment color plan. Hereupon, this study suggests one model of a concrete substantial color design through analyzing a present condition, for example, an existing environment, a case study about similar space, and a question investigation for finding out preference image and applying them to the color design. Through a rational systematic environment color design one can expect several effects making identity in a region, increasing a peculiar image or unity reinforcement by total application of color scheme, creating a visual environment with aesthetic characteristic, and efficiency of continuous color management system.