Raoul Schach color lookup

Quick answer：

The subject refers to searching for specific colors in Raoul Schach's color collection. Raoul Schach was a German artist known for his color theory and color cards, which were used to classify and analyze colors. To perform a color lookup, you would need to have access to the specific set of color cards or a digital copy of them. These cards typically feature a range of colors organized by hue, saturation, and brightness, and may include a unique identifier for each color.