fadedness
Fadedness is the state or quality of fading, in which color, brightness, or perceptual intensity declines over time or through exposure to external conditions. The term can describe physical phenomena such as a fabric whose dye has lightened, an image that has lost contrast, or sounds that have grown quiet. It is also used metaphorically to describe memory, influence, or attention that has weakened.
Etymology: Fadedness derives from fade, meaning to lose strength or brightness, with the abstract noun suffix
In color and materials, fadedness results from chemical or photochemical processes including photo-oxidation, hydrolysis, and dye
In memory or perception, fadedness describes the gradual decline of recall, impression, or sensory impact. Cognitive
Culturally, fadedness can be intentional: designers and photographers may seek a vintage or distressed look, while