Task Description:
The objective is to create an optimized color palette based on the existing colors in the design. It has been identified that certain colors are duplicated with different color codes, but they are visually indistinguishable from each other. The task involves removing unnecessary duplicate colors and providing a description of where and how to use each color in the design.

Expected Result:
1. An optimized color palette without duplicate colors.
2. A description of the usage of each color in different design elements.