Open Acrylics Traditional Color Set 6OPEN Acrylics exhibit unique relaxed working characteristics and a remarkable ability to resist skinning and remain wet on the palette during long painting sessions. The working time varies according to the density of the applied material. Thin applications adhere, allowing additional layers to be applied and blended. Thicker applications can be worked on for hours. This traditional color set includes Indian Yellow Hue, Alizarin Crimson Hue,