here is a spreadsheet with every known dye name and even every color shown
https://docs.google.com/spreadsheet/ccc?key=0AghAQVsH57fKdE9ZRUREQUc1ZEU4WTRqYzU3UjlhZ1E#gid=0
and here is a price list from gw2spidy.com that will give you an idea of what the price range for each is.
http://www.gw2spidy.com/search/dye
and here is a nice color wheel with all of them posted in their proper place
https://docs.google.com/spreadsheet/ccc?key=0AghAQVsH57fKdE9ZRUREQUc1ZEU4WTRqYzU3UjlhZ1E#gid=0
and here is a price list from gw2spidy.com that will give you an idea of what the price range for each is.
http://www.gw2spidy.com/search/dye
and here is a nice color wheel with all of them posted in their proper place