Patterns in PowerPoint are two-color designs that include lines, dots, dashes and checks. PowerPoint includes 48 such patterns with names such as 5%, plaid, weaves, shingle, and zigzag. Pattern fills can be particularly pleasing as a fill, especially if you use a simple pattern that comprises two subtle colors. You apply a pattern fill to the Plot Area of a chart in the same way as you would apply a solid color, a gradient, a picture, or a texture fill. Follow these steps to learn more.