You can use the **custom formula** function in Google Sheets to apply conditional formatting based on a cell value from another sheet.

The following example shows how to use the custom formula function in practice.

**Example: Conditional Formatting Based on Another Sheet**

Suppose we have the following dataset in **Sheet1** that shows the total points scored by various basketball teams:

And suppose we have the following dataset in **Sheet2** that shows the total points allowed by the same list of teams:

Suppose we’d like to highlight each of the cells in the **Team** column of **Sheet1** if the value in the **Points Scored** column is greater than the value in the **Points Allowed** column in **Sheet2**.

To do so, we can highlight the cells in the range** A2:A11**, then click the **Format** tab, then click **Conditional formatting**:

In the **Conditional format rules** panel that appears on the right side of the screen, click the **Format cells if** dropdown, then choose **Custom formula is**, then type in the following formula:

=B2>INDIRECT("Sheet2!B2")

**Note**: It’s important that you include the equal sign (**=**) at the beginning of the formula, otherwise the conditional formatting won’t work.

Once you click **Done**, each of the cells in the **Team** column where the value in the **Points Scored **column is greater than the value in the **Points Allowed** column in **Sheet2** will be highlighted with a green background:

The only **Team** values that have a green background are the ones where the value in the **Points Scored** column in **Sheet1** is greater than the **Points Allowed** column in **Sheet2**.

Note that if the sheet name you’re referencing has spaces in the name, be sure to include single quotes around the sheet name.

For example, if your sheet is called **Sheet 2** then you should use the following syntax when defining the formatting rule:

=B2>INDIRECT("'Sheet 2'!B2")

**Additional Resources**

The following tutorials explain how to perform other common tasks in Google Sheets:

Google Sheets: Conditional Formatting If Date is Before Today

Google Sheets: Conditional Formatting with Multiple Conditions

Google Sheets: Conditional Formatting if Another Cell Contains Text