I saw someone asking about Jasper Fforde's 'Shades of Grey' the other day, and I'm so glad because it's constantly getting buried under the buzz for that other, similarly titled book.
This one's a proper dystopian social satire, but Fforde makes it hilarious. The whole society is structured around what color you can see, like if you're a Red, you have low status, and Purples are at the top. The main character Eddie's a Red, and he gets sent to a weird town where the rules don't quite make sense, and he starts to question everything. It's less about rebellion and more about the absurdity of bureaucracy and inherited social structures.
Genre-wise, it's tough. It's dystopian fiction, but it's also a comedy-of-manners mystery. It feels like a cross between 'Brave New World' and a P.G. Wodehouse novel, which sounds insane but totally works. I love how the world-building is so specific—people argue about the merits of different color swatches, and your perception literally dictates your life. It's a one-of-a-kind read.