Color Names

Cool Dusk

Shadows stretch, the air cools, day's last breath.

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Cool Dusk is a cool grey, close to blue.

It can be described as cool, muted, greyish and dusty.

Set in black, because black reads best on it.

Cool Dusk

Dusk

Dusk occurs at the darkest stage of twilight, or at the very end of astronomical twilight after sunset and just before nightfall. At predusk, during early to intermediate stages of twilight, enough light in the sky under clear conditions may occur to read outdoors without artificial illumination; however, at the end of civil twilight, such lighting is required to read outside. The term dusk usually refers to astronomical dusk, or the darkest part of twilight before night begins.

Read on Wikipedia

cool

Adjective

  1. Of a mildly low temperature.
  2. Allowing or suggesting heat relief.

Noun

  1. A moderate or refreshing state of cold; moderate temperature of the air between hot and cold; coolness.
  2. A calm temperament.
Wiktionary

dusk

Adjective

  1. Tending to darkness or blackness; moderately dark or black; dusky.

Noun

  1. The time after the sun has set but when the sky is still lit by sunlight; the evening twilight period.
  2. A darkish colour.
Wiktionary