The most common are the Pantone formula guide or bridge books, and those are closer to $300 It's still quite a bit, but even the FHI chip books are under $1k.

The most common are the Pantone formula guide or bridge books, and those are closer to $300 It's still quite a bit, but even the FHI chip books are under $1k. You have to be doing something a bit nuts like getting the full plastic chip carousels to get up into the thousands.