[header] How to make glow in the dark paint [title] Choose a glow in the dark powder. [step] You can find glow in the dark, or phosphorescent, powders online or at some craft and art supply stores. [substeps] The powders come in a variety of colors and particle sizes. 
Larger particles are brighter, but also make a rougher paint which can create a speckled look. Smaller particles create a smoother paint, but don't glow as brightly.