By mixing pearl or metal pigments, and specific dyes, in epoxy resins (glaze, or ground) you can achieve magnificent marbled effects, giving the illusion of depth, even if the layer is often not thicker than a millimeter. A resin is always transparent at the base, one can add dyes / opaque tints, transparent, or pearl and metal pigments. But not everything is done just anyhow and we must respect certain rules and a certain order.
Here are some videos from Leggari Products, American specialists in custom epoxy resin effects for counters, worktops or floors. Here is their online store : www.leggari.com We have tried to translate and decipher examples of interesting techniques used in their videos. We will not dwell on the techniques for preparing the backgrounds, nor for applying floor resins or glazes, but only on the effects of coloring and superposition. All these techniques are used immediately, without waiting for the lower layer to dry. In these videos, no example is unfortunately shown on the use of "Candy®" translucent dyes. These dyes can be mixed with mother-of-pearl, or superimposed on layers of metal or mother-of-pearl without diminishing their effect, unlike opaque dyes which drown out the mother-of-pearl and block all reflected light (incoming or outgoing).
Pearl white resin with aluminum gray metallic marbling