With decades of expertise since 1967, Rainbow Dye-Tech (Pvt) Ltd. produces premium synthetic dyes, including Brown HT (Acid Brown 3), a food-grade colorant commonly used as a substitute for cocoa or caramel to deliver appealing brown shades in bakery, confectionery, beverages, and dairy products, recognized for its consistency and quality assurance. https://rainbowdyetech.co/project/brown-ht/