Gray-blue background, like a lamp shining through the waterGray-blue background, like a lamp shining through the water
Internet explorer icon on a blue-purple backgroundInternet explorer icon on a blue-purple background
A bitten apple on a black and white background on a treeA bitten apple on a black and white background on a tree
Bouquet of five white roses on a background of blue draped fabricBouquet of five white roses on a background of blue draped fabric
Grey background, darker at the edges and lighter towards the middleGrey background, darker at the edges and lighter towards the middle
Основной цвет, тон, на к-ром пишется картина. Задний план картины. Общие условия, обстановка, где что-н. происходит ( книжн. ). Единица степени громкости.