When building products (digital ones but this could also apply to other products), color choice is important. The color can convey your brand identity, help users understand information, etc.
Inclusive design principles have taken priority on the web. Google even ranks accessible web pages higher in its results.
Universal Design (UD) is an approach to design that increases the potential for developing a better quality of life for a wide range of individuals. It is a design process that enables and empowers a diverse population by improving human performance, health and wellness, and social participation (Steinfeld and Maisel, 2012). It creates products, systems, and environments to be as usable as possible by as many people as possible regardless of age, ability or situation.