Brilliant green is widely used as a dye in microbiology for staining and identifying bacterial cultures. It helps in differentiating bacterial species based on their staining properties, particularly in selective media like brilliant green agar, which is used to isolate Salmonella species. In the textile industry, it serves as a colorant for fabrics, providing a vibrant green hue. Additionally, it has applications in aquaculture as an antifungal and antiparasitic agent to treat infections in fish. Brilliant green is also utilized in histology for staining tissues to enhance microscopic visualization. Its antiseptic properties make it useful in topical formulations for treating minor wounds and skin infections. Furthermore, it is employed in the paper industry to dye paper and paper products, imparting a vibrant color.