92. Our theory of color as applied to room furnishings provides always that the side-wall is the keynote and this keynote is usually fixed for practical reasons in sympathy with the furniture; above to the ceiling’s center the note ascends and below to the floor center it descends; it goes into tints as it ascends and into deeper shades of gray and brown as it descends.
If, for instance, blue is the keynote, by adding black you have drabs, slates or grays for t
93. It must be understood that in designating a color we do not mean that it shall be solid or pure, but merely that it prevails.
A side-wall may be treated in several colors, but as long as orange prevails, it follows the conditions of the combination, pages. The factors included in the line designated A are all of one color family. The factors indicated by B are also family colors. It will be seen that the A or B colors taken by themselves form harmonies of analogy; it is only by combining the A’s with the B’s that we have harmonies of contrast.
If a room is to be done in harmonies of analogy, use the A colors alone or the B colors alone, but never A and B together.