The definition of impromptu is something done without advance thought or without a plan. When everyone gets together and decides to throw a party at the spur of the moment, this is an example of animpromptu party. impromptu. an impromptu speech, performance, etc. impromptu.
If you prefer lighter color combinations, then instead of these three, go in for pink, light blue and pale yellow color combinations. Contrasting Color Combinations. By bringing together colors in different color categories, many interesting color combinations can be made.
Whites and Neutrals. Whites and neutrals such as gray, beige, tan or cream, create a clean, airy backdrop for any design or color scheme. White is often associated with cleanliness, innocence and goodness. Because they are neutral, these colors can be calming, and they make a room feel larger and more airy.