Libra™ Silicone Pigment Concentrates are designed for use with Libra™ Matte Mixing Base and can also be used in Libra™ Clear Bases for all your coloring needs. Libra™ Pigment Concentrate are used for Pantone color matching through the Avient IMS 3.0 color management system. These 16 Pigment Concentrates can be used for all your specific color matching need