ADJ against n
The 'visible' group
These adjectives in this pattern indicate that something or someone is noticeable because they make a contrast with something else either in appearance or in the way they feel.
black bright cold cool damp dark icy invisible luminous pale visible warm wet white
A buzzard was circling above the rock-face, black against the brightness.
The air was surprisingly cool against her skin.
The rocket was barely visible against the snow-covered hills.