The Standard Triad 

Saturation: Very vivid in saturation strength. This is the most vivid of all the limited palettes.

Pigment personalities: Not well matched Yellow is New Gamboge a transparent characteristic.

Red is Cadmium Red Medium which is a very opaque characteristic.

Blue is Ultramarine Blue which has a Semi Transparent and Granulating characteristic.

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The Delicate Triad

Saturation: Vivid. Values: High Key or Light on the value scale. 

Pigment Personalities: Pigments are all transparent. Yellow is Aureolin.

Red is Quinacridone Rose, which is slightly staining. A better match is Rose Madder Genuine.

Blue is Cobalt, which is granulating and very transparent depending on the company you buy it from.

This is a cool undertone Triad. Compare this Triad to the warm Standard Triad. 

Note also the difference in the mixture of violet to the Standard Triad. 

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The Bright Unsaturated Triad

A rich color harmony of the Earth

Saturation: Saturation can be explained in terms of Vivid Range, Mid Range and Dull Range. 

The Bright Unsaturated Triad is in the Mid or Intermediate range of Saturation strength.

Pigment Personalities: Pigments are all transparent.

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