Change a theme and make it the default in Word or Excel
Document themes make it easy to coordinate colors, fonts, and graphic formatting effects across your Word, Excel, and PowerPoint documents and update them quickly. This video show you how-to change the entire theme, read below to just customize theme fonts, colors, or effects.
Change the appearance of your worksheet - Microsoft Support
To change the text fonts, colors, or general look of objects in all worksheets of your workbook quickly, try switching to another theme or customizing a theme to meet your needs. If you like a specific theme, you can make it the default for all new workbooks.
Change the look and feel of Microsoft 365 - Microsoft Support
To change the color of your Microsoft 365 apps: Open a Microsoft 365 application, like Word, Excel, or PowerPoint. In the top left, select File > Options > General > Office Theme. Choose your favorite option. The default theme setting for Microsoft 365 is Use system setting, which matches your selected look in Windows.
Create and save a custom color scheme - Microsoft Support
Applies To. On the Page Design tab, in the Schemes group, click the More arrow on the color schemes gallery. Click Create new color scheme. In the Create New Color Scheme dialog box, under New, click the arrow next to each color that you want to change, and then select a …
Change the color or style of a chart in Office - Microsoft Support
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.
Apply a color scheme - Microsoft Support
In the following procedures, you will learn how to apply colors from the active color scheme to the borders and backgrounds of controls or table cells, to the background of the form template, and to text on the form template.
Apply color to alternate rows or columns - Microsoft Support
Adding a color to alternate rows or columns (often called color banding) can make the data in your worksheet easier to scan. To format alternate rows or columns, you can quickly apply a preset table format.
Apply shading to alternate rows or columns in a worksheet
There are two ways to apply shading to alternate rows or columns —you can apply the shading by using a simple conditional formatting formula, or, you can apply a predefined Excel table style to your data.
Accessibility best practices with Excel spreadsheets
For example, use bright colors or high-contrast color schemes on opposite ends of the color spectrum. White and black schemes make it easier for people who are colorblind to distinguish text and shapes.
Add or change the background color of cells - Microsoft Support
You can highlight data in cells by using Fill Color to add or change the background color or pattern of cells. Here's how: Select the cells you want to highlight.