Salience (noun)

1. The quality or state of being prominent or noticeable.
2. The degree to which an item stands out relative to its neighbors.

Origin:

From latin salientem ("leaping, jumping"), present participle of salire ("to leap"), from proto-indo-european *sal- ("to jump, lea.p")

Examples:

1. The red color of the apple increased its salience among the green apples.
2. The salience of the issue was clear in the election campaign.
3. The salience of the item made it easy to find in the store.
4. The salience of the painting was heightened by the bright lights.
5. The salience of the advertisement caught the viewer's attention.