Rainbow Dye-Tech (Pvt) Ltd., a leading Pakistani dye manufacturer since 1967, offers high-quality synthetic dyes for food and industrial applications, including Brown HT (Acid Brown 3)—a reliable food-grade color used as a cocoa or caramel substitute to create rich brown tones in bakery, confectionery, beverages, and dairy products, known for its stability and consistent performance. https://rainbowdyetech.co/project/brown-ht/