The Reactive Yellow RGB Dye is suited for coloring the woolen as well as cashmere textiles. It can also maintain the perfect physical state of wool of several types. The dye is provided with improved high coloring strength. Reactive Yellow RGB Dye has outstanding sublimation fastness property. This can control the heat treatment process and has high temperature exhaustion property. The dye has very close dyeing properties and boasts of wide-ranging chromatogram.