In a story, characters may have certain habits they repeat. A series of similar obstacles may have to be overcome. Repetition is much used in genre fiction. Readers of romances or mysteries have certain expectations for the stories, which writers flout at their peril. Contrast Take elements, which are not similar and make them very different.
Contrast adds interest by attracting attention.
Car Ads . In ads, color and typeface or weight creates contrast. White type is used on a dark background or vice versa, and important information is put in a different color. The car may be a different color than its surroundings, usually bright red. The logo is made to stand out by color and typeface.