The results of studies of emotional values may be summarized as follows:
1. Variations in light, color, line, shape, and size affect the mind in certain fairly definite ways. When these variations are understood and controlled a group or a room may be given atmosphere which not only adds to its beauty, but also greatly helps in arranging it to meet the needs of the people who use it.
2. These emotional values of light, color, line, shape, proportion, and texture must be employed in such a way that the effect of each is increased by the effects of all:
Effects of restfulness and tranquillity result when—
a. The amount and intensity of illumination are reduced.
b. The tone of all colors is lowered.
c. Horizontal lines are predominant.
d. Large size is emphasized.
Effects of animation and activity result when—