Direct Blue 86 is a premium direct dye based on a copper phthalocyanine structure, which imparts an exceptionally brilliant, clean turquoise shade and outstanding lightfastness. It is a top-tier choice for applications where colour vibrancy and extreme durability against fading are required. It is used for colouring high-quality paper, textiles, and leather where performance is paramount and a specific, bright turquoise hue is desired.