If you would like to know what your own pigments will do for you, make a color chart.
This is the simplest form with only basic information.

 Click to enlarge

To prepare, use a waterproof black marker to make a heavy line on watercolor
paper--your favorite brand. Next make fairly heavy swatches across the line
with each of your pigments. Make the swatch large enough to manipulate. With a
damp clean brush, lose an edge. When the swatch dries, try lifting. Check to
see how much of the pigment is visible on the black line. In the example here,
you can easily see that cadmium yellow lemon and cadmium orange are opaque.
Make mental notes of the behavior to see what properties you can expect from
each pigment.

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