Research drawing 6 color color scheme

Quick answer：

In scientific research drawing, a 6-color color scheme is often used to ensure clarity and accessibility. The colors typically chosen include red, blue, green, yellow, purple, and orange. Each color is assigned to a specific type of data or element in the graph to avoid confusion and enhance readability. This color scheme is based on the principles of color theory and is designed to be distinguishable and consistent across various visual representations.