This application shows color of each cities such as New York, Tokyo, Paris and London. The database have been getting photos, date and color sequentially. Urban color is more focus on using such databases system for expressing design. This application visualizes each photos based on several directions and sort by time and color. these huge number of photos shows gradation. Based on color, they can show sunset, morning glow and even making a new photo from Flickr by using each small thumbnails. Also, people can print out these aspect of each photos.