During the daytime glow in the dark non slip tape appears to be a mild green shade, in darkness or any lights out scenario it emits a bright white light. Photoluminescent safety-grip can be charged by either natural or artificial light sources. The duration of the light emission varies according to the amount of light received. It is typically released over a period of a few hours. None of the photoluminescent materials contain any radioactive products, so can be used in many environments. 

• The self-adhesive plastic base is photoluminescent
• The grit is held onto the film using a flexible resin; the resin is impregnated with photoluminescent, glow in the dark paste