The Italians added color. At the beginning of the 19th century, the Italians found that when they added potassium chlorate to gunpowder, the mixture burned with enough heat to turn metals into gas, tinting the resulting flame.
पौर्वात्य लोकांना सुरवातीला केवळ पांढरी किंवा सोनेरी रंगात आतषबाजी करण्यास ठाऊक होते.