This article arises from a case study of the bachelor’s degree in Audiovisual and Multimedia at the Polytechnic Institute of Beja (IPBeja) carried out in 2024. The study revealed that colour theory is one of the most influential theories related to audiovisual and multimedia, but there is a perception that colour is strictly linked to the image. This result led to the need for a structured and well-founded connection between colour and sound, producing information that can address the identified perception. Therefore, this article aims to conduct a literature review on the theoretical principles of the relationship between colour and sound and relate it as one of the fundamental principles for a degree in audiovisual and multimedia. For this purpose, a review was carried out on the concept of audiovisual and multimedia, the literature on the mentioned fundamentals, and different ways of relating colour to sound and music. In summary, this research will allow a better understanding of the theory of colour concerning sound in the various curricular units of the bachelor’s degree in Audiovisual and Multimedia at IPBeja, and it can also serve other related research or similar courses.