The phrase "stark contrast" refers to a sharp and obvious difference between two things or situations. It describes something that is very different, often in an unexpected way, creating a strong visual or conceptual opposition. The term can be used to describe anything from a dramatic change in color, texture, or tone, to a significant discrepancy in values, beliefs, or behaviors between two entities. In essence, "stark contrast" highlights the differences and emphasizes how distinct or opposite things are from one another.