Process colour CMYK, cannot replicate fluorescent colors. Encres DUBUIT is one of the first ink manufacturer to launch a fluo LED UV curing digital ink.
Fluorescent Yellow & Fluorescent Magenta can be added to CMYK images to add punch and visual presence to a project. They can be also used as spot colours.
The phenomenon of fluorescence corresponds to a process of absorption of light at a certain wavelength and of an immediate re-emission at another length the wave, as a result, the eye perceives a far more intense colour.