Dye is one of 31 Rare Resources in the game and, if present on a map, available from the beginning. It appears as rows of dye plants with red, yellow and blue blossoms and some bowls standing on the ground nearby. Like all rare resources on land, it can be gathered by sending a Merchant from the Market to the resource location. Dye provides the following benefits:main article. Note, that Knowledge is not gathered before the Classical Age but the Greeks may gather Knowledge from the beginning, making an early exploitation of this resource more useful.
Dye is one of five rare resources that reduce research cost, with the other four being Furs, Papyrus, Silk and Silver. The cost reduction is quite significant, so if Dye happens to be available nearby, a merchant should be sent to collect it as soon as possible.