在影片制作时，调色是一个必不可少的环节，在实际制作过程中需要片子调成某种色调，或将前景色、后景色 调整得合理、协调等。有些环节对调色的要求非常高、非常细，特别是对人物的调色方面。本文从色彩的基础知识入手，针对 在使用After Effects 调色时需要注意的相关知识进行了深入的分析，对于笔者在今后使用After Effects 精确地进行调色和制作 影片起到事半功倍的效果。

In the production of the film, color-mixing is an essential link. In the actual production process, the film is required to turn into a certain color, or the scenery is adjusted reasonable and coordinate. Some links has high requirements in color-mixing, especially the color of characters. Based on the basic knowledge of color, this paper analyzes on the related knowledge of color-mixing using After Effects, which will achieve twice the result with half the effort to apply After Effects in the color-mixing and film production.