Area as an element of balance.
HARMONY of color.
[(50)] Selection of colors that give pleasure.
Study of butterfly wings and flowers, recorded by the NOTATION.
Study of painted ornament, rugs, and mosaics, recorded by the NOTATION.
Personal choice of color PAIRS, balanced by H, V, C, and area.
Personal choice of color TRIADS, balanced by H, V, C, and area.
Grouping of colors to suit some practical use: wall papers, rugs, book covers, etc.
Their analysis by the written notation.
Search for principles of harmony, expressed in measured terms.