"Shades of Grey" is a novel by Jasper Fforde, set in a dystopian world where society is strictly divided by color perception. In this society, individuals can only see a specific color, which determines their social status and roles. The protagonist, Eddie Russett, embarks on a journey that challenges the rigid norms of his color-based society. The story explores themes of conformity, individuality, and the nature of reality. As Eddie navigates his world, he uncovers secrets about the society's structure and the true meaning of color, leading to a deeper understanding of freedom and choice.