Baumann's new color card system Prase is a historical color system that was formulated strictly on the color model of Wilhelm Ostwald. The first edition was published in 1912. In the color system, both the colors and their recipes are given from natural pigments, a treasure for the color developer.
Did you know?
Chroma refers to the intensity of a color, how bright or dull it is. Scarlet and brick red are similar in value, but their intensity differs. Brick red is duller as it has a lower chroma than scarlet. Scarlet has a higher chroma so is more brilliant.