The art of flower arrangement is a plastic art that takes cut flowers as the main material, and expresses the beauty of nature and life through artistic conception and tailor's shaping and placing. Exquisite modeling and gorgeous colors are the two main factors that constitute the aesthetic feeling of flower arrangement. Among them, the color used in flower arrangement is not only practical for nature, but also an exaggeration of natural scenery, which can be changed according to the needs of flower arrangement modeling. The color of flower arrangement plays a very important role in setting off the theme, rendering the atmosphere and perfecting the artistic conception. Therefore, when designing a flower arrangement, we sometimes even decide the color first, and then choose the graphics. This paper mainly studies color and how to design and configure flower arrangement color in flower arrangement, in order to make readers have a more comprehensive understanding of flower arrangement color design.