After creating tetrads based on the primary triad, I moved on to the secondary triad and
its closely related intermediate triad.
Secondary colors are the result of the mixing of two primaries.
Aureolin, Permanent Rose and Cobalt Blue are the primaries that I used. Orange, green, and violet are the resulting secondary colors.
Intermediate or tertiary colors are the result of mixing a secondary and a neighboring primary.
Each of the above examples is a mix of a primary and a neighboring secondary color and shows the resulting intermediate colors. These six intermediate colors along with the primary and secondary colors are the content of a color wheel containing twelve colors.
Because secondary colors are a mix of two colors, I prefer to mix them with additional colors in a wet in wet technique on the paper. Mixing more than two colors that are not adjacent can result in dull colors or worse yet, the dreaded mud.
The kite formation tetrad that is based on the secondary triad has a primary color as its fourth color.
This fourth color will be a color complementary to one of the colors in the triad.
These mixes correspond to the tetrads above and are based on the secondary triad.
The intermediate triad that is adjacent to the secondary triad has an intermediate color as its fourth color.
This fourth color is opposite to one of the colors in the triad (complementary).
These mixes correspond to the tetrads above and are based on the triad adjacent to the secondary triad.
The tetrads using the secondary colors (orange, violet, cool green) or the adjacent intermediate colors (cadmium red, ultramarine blue, sap green) have the capacity to be dull and muddy in mixes. But they can be beautiful neutrals, also. It is the method of mixing that will give you your desired results.
By trying the different combinations, you will be able to find the palette selection that works for your painting.
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