Yellow is associated with the sun and warmth. When used with orange, it creates a sense of summer fun. Yellow can be associated with thirst, and can be found on the walls of many refreshment shops. Yellow can also be associated with cowardice and fear, which comes from the old expression of someone being “yellow.” When combined with black, it can gain a lot of attention. A good example outside of design would be a taxi. The combination gets a lot of attention.
