Darkness, the polar opposite to brightness, is understood to be an absence of visible light. It is also the appearance of black in a colored space.

Humans are unable to distinguish color when either light or darkness predominate. In conditions of insufficient light, perception is achromatic and ultimately, black.

The emotional response to darkness has generated metaphorical usages of the term in many cultures.


"You can't give up hope just because it is hopeless! You gotta hope even more, and cover your ears, and go: "Blah blah blah blah blah blah blah blah!""
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