Encre variable optique

The prints shows a pair of colors,for exampel:red-green,green-blue…Seen from the front or lateral side the ink glows two different colors varying with the viewing angle.
Couleur:Silver-green,brownish red­­­­­­­-green,
purple red-green,brownishred-gold,
Magenta-gold,rose red-gold,
yellow green-blue,Grass green-purple…
Façon d'impression:Silks creen,Écran de soie UV,Graisse