Why does yellow mean cowardly?

The association of yellow with cowardice can be traced back to various cultural and historical contexts. One theory is that it stems from the color's association with sickness and fear, as yellow is often linked to jaundice and other ailments. Additionally, in literature and popular culture, characters described as "yellow" often exhibit cowardly behavior, reinforcing this stereotype. This symbolism has persisted over time, leading to the current perception of yellow as a representation of cowardice.