***Important: there are steep discounts right now on all Munsell packages. See individual offers for details. The Library is available for $39.00; the Digital Munsell charts for $69.00 and you can buy both for $99.00. For those not familiar with Munsell, it is a color system that allows painters to identify and mix every color that is possible to mix in oil paints. The Munsell Color System frees a painter to focus on creativity and beauty.