The inks are bright under normal light and glow under black lights.
Seiko Instruments has previewed its new Neon inks – solvent-based fluorescent inks that are available in Hot Pink and Lemon Yellow for Seiko’s ColorPainter W series. The inks can be printed as spot or composite colors with CMYK. The results are bright under normal lighting, and glow under black lights. Expected launch is later this year.