Creators of Art Materials Since 1905 Made in the USA. - Grumbacher Academy Acrylics, a line of 48 brilliant process colors, metallic and iridescent colors, as well as the most sought after traditional colors comprise the improved line of Grumbacher Academy® Acrylics. All colors have an ASTM lightfast rating of 1- Excellent. Academy Acrylics are highly pigmented and have superior tinting strength, but at a single student price. Available in 90 ml metal tubes. Made in the USA.