The main color of the Asian Games is typically chosen to symbolize the spirit and culture of the event. The specific color or color scheme varies by edition of the games. For example, the 2018 Asian Games in Jakarta and Palembang, Indonesia, had a color scheme of blue, green, and yellow, which were inspired by the nation's cultural and natural elements. To get the most accurate information about the main color of a specific edition of the Asian Games, one would need to consult the official documentation or announcements of that particular event.