Themes in PowerPoint can help create consistency. Learn how to use PowerPoint themes for a more professional look as well.
All themes included in PowerPoint are located in the Themes group on the Design tab. Themes can be applied or changed at any time.
Once you've applied a theme, you can also select a variant for that theme from the Variants group. Variants use different theme colors while preserving a theme's overall look. Some variants also use different textures, as in the example below.