Image:BackArrowGreen.png List of resources in Civ3 Dyes are luxury resources that make content people happy in cities that are connected to them by a trade route, and can also be traded to other civilizations. Dyes can be found in Jungles and Forests and generate an extra 1 commerce on their squares. Building a Marketplace in a connected city enhances the happiness bonus provided by Dyes and other luxury resources.