Pink can represent or be a symbol for many things, for example, pink can be a symbol of youth, love, and femininity. So, the color pink can be used as a symbol to bring awareness to things like breast cancer.
Certain shades of pink can be used to help reduce blood pressure and slow the heart rate. There has been some research done, and it has been used in holding cells for prisoners, to help ease aggression.
Pink elephant: The whole idiom sometimes goes, “ignoring the pink elephant in the room”, which means everyone is intentionally avoiding an obvious issue. It can also refer to excessive drinking and hallucination.
An interesting fact about color is that it can help determine how we perceive the taste of what we consume. Pink is associated with sweetness, so pastries seem to taste better when served on a pink plate or when they come in pink packaging.