The flavor is rich, and the colour is bright and suitable for cooking decoration. Origins: Vietnam. Rainbow pepper mix: black peppercorns, white peppercorns, green peppercorns, pink peppercorns. Black peppercorn mix from farmer to your table, packed in resealable bags. black peppercorns are high-graded, and they are favorites of chefs and home cooks. Peppercorn mix has a full, robust flavor described as almost fruity. Its mellow complexity makes it a wonderful all-purpose pepper in your kitchen.