Premixing
    Mixing Color Strings    Color string: group of prepared blobs of a given hue mixed in a set of steps from light to dark   saves time when painting observationally   Free mixing   where you use the brush to mix each new stroke from the tube colors   Premixing   batches of colors prepared in advance   Colors should be carefully mixed from observation  Advantages:   uses less palette surface  you can premix generous batches with a palette knife rather than a brush  saves time   The Reilly Method   mix several color strings and use 10 tonal steps for each hue   (10 value steps are more than you really need for most paintings)  4 or 5 is a good place to start       Gamut Mapping    Gamut Mapping    the entire group of possible colors for a given painting   shown as a polygon superimposed over the color wheel   good color comes not just from what you include in a composition, but what you leave out of it  Subjective primaries   the cleanest mixtures between any two of the starting colors...