The dice are laser engraved. We do not fill the engraving within the dice. About the opaque dice, the laser engraving system leaves the engraved spot "white". The translucent dice stay translucent during the engraved spot. As it is possible to see from the picture some of the shades perform http://10diceset33295.blogkoo.com/standard-dice-set-an-overview-31849157