Use color and contrast for accessibility in Microsoft 365 - Microsoft ...
Sometimes the colors on websites look too bright and it's difficult to identify the details. In Microsoft Edge, you can switch to a darker theme or use the Immersive Reader view to change the page theme to a dark one, so the background color of the website changes to black. Switch to a darker theme color
Apply shading to alternate rows or columns in a worksheet
One way to apply shading to alternate rows or columns in your worksheet is by creating a conditional formatting rule. This rule uses a formula to determine whether a row is even or odd numbered, and then applies the shading accordingly. The formula is shown here:
Change the look and feel of Microsoft 365 - Microsoft Support
You can change the look and feel of your Microsoft 365 applications by selecting a new Office Theme. 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.
Change the color, style, or weight of a line - Microsoft Support
You can change the look of a line shape by changing its color, line style, or weight. If you are using Excel, Outlook, Word, or PowerPoint, you can apply a predefined Quick Style to quickly change the look of your line. What do you want to do?
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 switch to another theme, click Page Layout > Themes, and pick the one you want. To customize that theme, you can change its colors, fonts, and effects as needed, save them with the current theme, and make it the default theme for all new workbooks if you want.
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. To use a different background color for the whole worksheet, click the Select All button.
Apply or remove cell shading - Microsoft Support
You can add shading to cells by filling them with solid colors or specific patterns. If you have trouble printing the cell shading that you applied in color, verify that print options are set correctly. Select the cells that you want to apply shading to or remove shading from.
Change the colors in a text box or shape - Microsoft Support
In a text box or shape, you can quickly change the color of text, the inside (fill) color, or the color of the border. Let's select the shape—the Drawing Tools appear in the ribbon, with the Format tab active. Here's the same shape after we changed the border to orange, the fill to a light green, and the text to black.
Add or change an effect for a picture - Microsoft Support
You can enhance your picture by adding effects, such as shadows, glows, reflections, soft edges, bevels, and three-dimensional (3-D) rotations to it. You can also add an artistic effect to a picture or change the brightness, contrast, or sharpness of a picture. Select the picture for which you want to add or change an effect.
Change the color of a picture - Microsoft Support
You can adjust the color intensity (saturation) and color tone (temperature) of a picture or recolor it. You can apply multiple color effects to your picture. Click the picture that you want to change. Select the Picture Format tab, and in the Adjust group, select Color.