The three-color pearl has a pearl-like luster, noble and gorgeous. It is a colorable, lightweight, water-based architectural coating with beautiful, sparkling microcrystalline particles, noble and elegant. This multi-purpose product can be used to create a wide variety of products. The decorative effect of the invention does not require sandpaper polishing, and the construction is simple. It only requires simple roll coating to immediately present a beautiful metallic luster. It is durable, easy to maintain, waterproof, mould-proof, and can be applied to any substrate surface