This is the 894th most frequent German word.
schwarz
Black.
Refers to the color of the clothing, implying it is black in color.
Er trägt oft schwarze Kleidung.
He often wears black clothes.
Here, 'schwarz' is part of the idiomatic expression 'im schwarzen Bereich sein,' which means to be in the financial profit zone.
Das Geschäft lief in diesem Jahr noch nie schwarz.
The business has not been in the black this year.
Used as a description of color for the sky, indicating the absence of light or the presence of dark clouds.