The Set color component assigns color to the selected flowchart variables. When these variables are displayed in the Print Template in the course of the Report execution, the printed fields acquire the color assigned to the variable. Set color component assignments override the default colors of fields set in the Print Templates.
To use the Set color component, follow these simple instructions:

This brings up the Color Selector panel:


The following is an example of use of Set color in a flowchart setting:
Here, variables Names.[ID #] and Names.Relationship are fed into the print template AddressList. If the given item has a birthdate (Names.Birthdate field is not empty), then the fields are displayed in color; otherwise they are shown in black.
This is what the end result looks like in the printed report page: