Final answer:
The most salient compositional aspect of the excerpt is the vivid use of color.
Step-by-step explanation:
The most salient compositional aspect of the excerpt is the vivid use of color. Color is a complex artistic element that can evoke different emotions and create visual impact. Artists study and use color to give direction and meaning to their work, and in this excerpt, the vivid use of color is highlighted as the most prominent compositional aspect.