Dusty grey, like a shelf that needs dusting, and days that need filling.
Boredom is a cool grey.
It can be described as cool, muted, greyish and dusty.
Set in black, because black reads best on it.
In conventional usage, boredom, ennui, or tedium is an emotion characterized by uninterest in one's surrounding, often caused by a lack of distractions or occupations. However, boredom is not well defined. It is distinct from depression and apathy. Boredom may damage mental health, but it also seems to have improved creativity in humans.
Read on WikipediaBoredom is a 2012 Canadian satirical documentary film directed by Albert Nerenberg and produced by Ina Fichman and Shannon Brown. The film was commissioned by the Documentary Channel and Canal D. Although the film's tone is satirical, the film presents serious scientific research then exclusive to the documentary indicating boredom impedes learning and may in fact be a state of stress.
Read on WikipediaNoun