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Now you see, now you don't




The effect of uv light on wFg.


Bottle of 50 ml wFg. concept 38
by WLFR



wFg is an 'impossible' colour, developed by WLFR and made available here as an ink for drawing, printing or stamping. This colour is neon grey. Though it sounds counter-intuitive to exist, neon grey has interesting properties. In daylight it appears lighter than it actually is, and when put under an ultraviolet lamp, it disappears nearly completely (while uv ink actually appears under uv light).

pWf ink is available in the boutique in bottles of 50 ml.