- Professional-quality dry pigments - Brilliant earth colors for creating custom mediums - Archival, lightfast, and eco-friendly - Free from additives, fillers, and heavy metals - Sustainably sourced with zero-waste packaging Natural Earth Paint’s Earth & Mineral Pigments offer artists the world’s most permanent colors in their purest form—completely free of fillers, stabilizers, solvents, preservatives, or synthetic additives. From warm ochres to luminous ultramarine, these finely ground pigments boast exceptional permanence. When properly stored, they remain impervious to fading and degradation, offering artists unparalleled purity and the longest-lasting color performance. Sustainably sourced from small quarries worldwide and expertly ground in Ashland, Oregon, this collection was developed to help artists maintain a non-toxic studio. Mix them with a range of binders to create your own non-toxic, eco-conscious art media—from oil watercolor paints to gouache, egg tempera, inks, encaustics, and even modeling clays.