Digital color mainly depends on digital facilities, which is a new form and new system of color science. Applying it to the teaching of art appreciation in high school can not only enhance students' color perception, but also improve students' ability of color analysis and strengthen students' ability of cultural interpretation. Based on this, the following first analyzes the significance of the application of digital color in the teaching of art appreciation in high school, and then focuses on the method of the application of digital color in the teaching of art appreciation in high school, in order to provide reference for the majority of high school art teaching staff.