UV fluorescent pigment is made of metals (zinc, cadmium) or rare earth oxides and sulfides active agent.It’s colorless or light color in appearance. But under the UV light (200nm~ 400nm),it shows different kinds of colors.it is devided into long wave UV fluorescent pigment(365nm)& short wave UV fluorescent pigment (254nm). Color:Long wave(365nm):red,yellow,blue,orange yellow green,grass green,dark green.