It probably _could_ be, but I'd probably have to build (or hire someone to build) some sort of external app / database to manage all that.
A simpler solution I thought about what recreating the layout in Figma or Sketch, then someone could create their own palette simply by tweaking color swatches (and have it auto update on the mockup).
A simpler solution I thought about what recreating the layout in Figma or Sketch, then someone could create their own palette simply by tweaking color swatches (and have it auto update on the mockup).