Holbein Acryla colors are the only colors formulated without cost in mind. this allows them to produce their 78 colors using the finest pigments rated for lightfast, transparency and opacity. Made in a vacuum, these colors may be used with other water-based media for various approaches to painting. The depth and quality of these colors is unequalled by any other line in the world today. Many of their acrylic colors cannot be found in other lines.