Which vibrant purple dye, extracted from sea snails, became so synonymous with Phoenician merchants that it created one of history's first recognizable 'brand colors'?

Before modern retail strategies, ancient civilizations developed sophisticated commercial identities. Their marketplaces and trading centers often utilized specific color schemes that became associated with certain goods, regions, or merchant guilds. These early 'brand colors' helped illiterate populations identify authentic products and trusted merchants in bustling ancient bazaars. Test your knowledge about how color was used in ancient commercial contexts!

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Tyrian Purple (also called Royal Purple)
Indigo Blue
Carthaginian Crimson
Babylonian Violet