The purpose of creating a Dark and Yellow Graduation Ceremony Poster is to promote and advertise the upcoming graduation ceremony. The poster serves as a visual representation of the event, showcasing the theme and color scheme. It aims to attract attention and generate interest among potential attendees, as well as provide important information such as the date, time, and location of the ceremony. Through the use of bold fonts and graphics, the poster creates a sense of excitement and celebration for the graduates and their families. Overall, the goal is to create a memorable and impactful poster that effectively communicates the details of the graduation ceremony.