Fluorescent Paint Invisible Blue invisible Blue is a milky white paint that fluoresces to a pale blue under blacklight. When painted over light colored surfaces, Invisible is difficult to detect. However, it can be seen when painted over dark or black colors. Available in 9 brighter than normal colors which fluoresce vividly under ultraviolet lights, Rosco Fluorescent paints can create a wide range of exciting effects. They can be used to create special effects using ultra-violet Blacklight or combined with other Rosco paints to make normal colors more vibrant. Fluorescents use the same high quality, water base, vinyl acrylic binder found in Off Broadway paints. It is suitable for use over most surfaces and for interior and exterior applications. Try using Rosco Fluorescent paints when matching the brightest colors in the Pantone Color Matching System or to achieve astounding 3-D effects.