The general operation of the colour list can be found in the Calamus manual.
When applying colour the Paint module always works with only one colour, though it's also possible to use a fill as described below. Normally, however, the "foreground" colour is always used for Painting..
The command groups are so arranged that it should rarely be necessary to have to change to another group when working. The first command group contains all the module's basic functions for Painting and retouching.