From the Swatches tab, you can apply solid, gradient, or bitmap fills.
Choose a palette from the Palettes
drop-down list.
Click the colour you want to apply.
The button on the tab updates to indicate the colour selected.

To apply a transparent
fill, click the None swatch.
Click the Fill, Line, or Text button.
Choose a category
from the Gradient or Bitmap
gallery.
Click a swatch to apply it.