There are several synonyms for the term "paint leaf." One of the most common phrases used in place of "paint leaf" is "color swatch." A color swatch is a small piece of paper or fabric that is painted with a particular color. Another popular term which can be used as an alternative to "paint leaf" is "color sample" which often comes in the form of a small container or card. Some other synonyms for "paint leaf" include paint chips, paint cards, color palettes, color charts, and color wheels. All these terms represent a piece of paper or other material that is covered with different paint colors.