A class-book of color : including color definitions, color scaling, and the harmony of colors (1895)
Maycock, Mark M · Springfield, Mass. : Milton Bradley Co. · leaf 62
ures thethe … Any of the tablet forms previously given, or other simple figmay be used for the element of the design. In combinations of this sort the ground color may be one ofselected colors of the combination, preferably the lighter, andother color or colors may be mounted upon it as a design. Simple…
Color · Color guides
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.