The logo of a musical group in the form of a current on a black backgroundThe logo of a musical group in the form of a current on a black background
The sign of the number pi is made up of black digits on the background of a row of gray digitsThe sign of the number Pi is made up of black digits on the background of a row of gray digits
Light pixels in the lower right corner on a black backgroundLight pixels in the lower right corner on a black background
Multicolored background with vertical lines of various shadesMulticolored background with vertical lines of various shades
Основной цвет, тон, на к-ром пишется картина. Задний план картины. Общие условия, обстановка, где что-н. происходит ( книжн. ). Единица степени громкости.