Select a cell

Click the cell bracket of the cell whose background color you want to change:

Change the cell’s background color

Choose a color from the Format ▶ Background Color menu:

Use the Background option to make cells with colored backgrounds:

Make a styling button

Make a button that changes the background of the selected cell(s) to pink:

Use the button

Use the button to change the background color of a cell:

• Custom buttons are useful for making styling toolbars. See Set Up a Docked Cell for more information.