On the Page Layout tab in Excel or the Design tab in Word, click Colors, and then click Customize Colors. Click the button next to the theme color you want to change (for example, Accent 1 or …

For each theme color you want to change, select the button next to that color, and then select a color under Theme Colors. To add your own color, select More Colors, and then select a color on the …

To change the theme, click on the menu for your Microsoft 365 application (Word, Excel, etc.) and select Preferences > General. Under the Personalize section you can configure your theme.

When you apply a new theme, Office Theme is replaced by a new look, such as the dark background and bright colors of the Metro theme. If you want a different default theme from the Office Theme, …

Under Theme Colors or Standard Colors, pick the color you want. To use a custom color, select More Colors, and then in the Colors dialog box select the color you want.

To change color schemes, switch to a different theme. In Excel, click Page Layout, click the Colors button, and then pick the color scheme you want or create your own theme colors.

To make sure you are using a supported Office theme, go to File > Account > Office Theme and confirm that either Black or Use system setting is selected. To turn on Dark Mode, select the View tab, then …

Apply the latest Office Theme (font and colors) to your Microsoft 365 applications.

Excel for the web recently updated its color palette to be consistent with your other applications. Now as you move between versions of Excel or work with other Office Online applications, the choices you …

To change your current theme in Outlook or Access, you can either switch to a different one or create a new theme altogether.