Neighboring color picture poster poster

Quick answer：

A neighboring color poster is a visual design that uses colors that are close to each other on the color wheel. These colors are chosen to create a harmonious and complementary look. In graphic design, neighboring colors are often used in posters and advertisements to evoke certain emotions or convey a specific theme. The concept of neighboring colors is based on the color theory, which is the study of color as it relates to human vision, perception, and the psychological effects of color.