抄録
The purpose of this study is to discuss the effects of ambient colors on arousal level and on the changes of arousal level with time. The results are summarized as follows: 1. It is suggested that the changes of arousal level with time are different according to ambient colors. 2. Although the difference of the effects of ambient colors between genders are vague, the effects of green show different tendency from the other colors. Furthermore, the relationships between preference to colors and the effects of ambient colors are discussed.