Color flat map color matching

Quick answer：

Color flat mapping is a technique used in cartography to represent geographic data with a series of colors. It involves carefully selecting color palettes that can effectively differentiate various data points or areas on a map. The goal is to enhance the visual clarity and interpretability of the map. Color matching in this context refers to the process of choosing appropriate colors to represent different types of information or features on the map, such as elevation, temperature, or land use.