dusk (EN)
noun, adjective

noun “dusk”

sg. dusk, pl. dusks or uncountable
  1. the period in the evening when the sun has gone below the horizon but there is still light in the sky
    Children often play outside until dusk, enjoying the last bit of light before dinner.
  2. a shade of color that is somewhat dark
    She chose a beautiful gown that shimmered in a shade of dusk, complementing the evening's ambiance.

adjective “dusk”

dusk, non-gradable
  1. having a quality of darkness or being somewhat dark in color
    The old library had a certain charm with its dusk wooden shelves filled with ancient books.