Oterra | 25,560 followers on LinkedIn. Natural colors for food and beverages. No one knows color like nature. And no one knows natural color like us. | Oterra is the largest global provider of naturally sourced colors for the food, beverage, dietary supplements and pet food industry. We draw on the power of nature’s true colors and champion that natural is best. And we do everything in our power to bring the very best of nature to consumers.