Urban color planning is a very complex issue. It is diffcult to carry out overall planning and color management scientifically relies on traditional survey methods and empirical analysis. The object of Chaos theory is nonlinear complex systems. In this paper, we combined chaos theory and the traditional urban planning approach, proposed the urban color planning methods based on chaos theory. Through the case study of Zhuhai Qinglv Road, we have got the color planning of Zhuhai Qinglv Road.