A color sequence is a type of global resource that can
be used to modify the color properties of a visual project object
based on an index value. Each index value specifies which wedge in
a color sequence wheel will contain the color for an object.
About this task
You are given a default color sequence that includes set
colors in the color sequence wheel. You can also set up unique color
sequences that will vary the colors that are included in the color
sequence wheel. You specify that a visual project object will use
a color sequence when you are specifying the properties of that object.
At that time you also decide whether you will specify the index value
for a color sequence with an explicit number, an expression or a function.