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.
The twelve hues of the color wheel are divided into primary colors, secondary colors and tertiary colors. Primary colors: There are three primary colors. They are the hues yellow, blue and red. These three colors are the hues that in theory can be mixed to make all other colors.