addmix                  Colour mixtures
complement              Complementary colours
coords                  Retrieve the coordinates of a colour vector
dichromat               Simulate colour appearance for dichromats
distance                Colour distance
gradient                Colour gradients
saturation              Query or change colour properties
shade                   The shade class
space                   Retrieve the space of a colour vector
swatch                  Simple colour swatches
warp                    Shift colours between spaces
