What is black when its clean and white when its dirty?

"Black when it's clean and white when it's dirty" is a common saying that implies that something is usually the opposite of what it appears to be. This phrase does not have a specific origin or meaning and is often used in different contexts.

For example, it can be applied to a person, object, or situation, suggesting that appearances can be deceiving and that it is essential to look beyond the surface. It can also be used humorously to describe a person or object that is usually considered the opposite of what it actually is.

In more specific contexts, the phrase can refer to the contrast between the appearance of different colors or materials. For example, black clothing or surfaces may look clean and polished when properly maintained, while white clothing or surfaces may become dirty and soiled more easily and quickly.

Overall, the phrase "black when it's clean and white when it's dirty" highlights the importance of paying attention to details and not making assumptions based on initial appearances.