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.
Match primary colors with other primary colors. The concept of matching is also called color harmony, which is achieved when colors create a pleasing effect. Red, yellow and blue always harmonize. These colors are bold and eye-catching, and they never really go out of style. A red, blue, and yellow outfit might look a little juvenile, but a yellow and red combination be more sophisticated. Match analogous colors. The concept is to stay within one color family in order to achieve harmony. These are the colors that are next to each other on the color wheel, like blue and indigo. Using varying shades of colors in the same family creates a nuanced look that has a beautiful, pleasing effect. For instance, a denim skirt with a light blue T-shirt and indigo scarf will likely go together well.