Fluorescent colours are such fun but the paint normally fades in prolonged exposure to sunlight so an art journal is a great place to play with them as the pages are protected.
Choosing Fluorescent Colours in Paints
You can get fluorescent colours in:
format. I have added some links to the list above to products that you might want to check out. In pigment format they can be added to any binder you choose or resin, soaps, candles. I’ve only tried the pigments with resin and they do work nicely.