Dyes are the chemical substances that impart their colour to an article and are soluble in water. Dyes can be natural or synthetic. Natural dyes: When the dye is obtained from the plants, it is called as a natural dye. Examples: Dyes obtained from beetroot, flowers etc. Dyeing is the application of dyes or pigments on textile materials such as fibers, yarns, and fabrics with the goal of achieving color with desired color fastness. Dyeing is normally done in a special solution containing dyes and particular chemical material.