Color Tab and Gradients

Given sufficient time and patience, you could play around with the Color tab in Properties to figure out how to change line and fill colors. Admittedly, it takes more time and perhaps a lot more patience to understand how the gradients feature is used. Here we try to give you a head start on this.

More Gradients
Here is what these other choices for the various types of gradients look like, all without changing our colors or relative positions.