Abstract: With the advent of the internet era, more and more companies, try their best to seize the virtual world and have built a new digital platform to better develop their brand image, by means of advertising design in the digital platform, publicity and promotion of their products. In the new digital platform, in order to better convey the product and its promotional information, companies must do a good job in advertising design, so that to improve the sense of quality and grade. Therefore, this paper focuses on the combination of design and new digital advertising in the network era, and platform of scientific and effective color is studied, in order to make better use of the new digital platform to design advertising and publicity, to enhance design level, and grasp the subtleties of advertising design color.