Demo

Here’s a demo to show how you can do this:

Access the Block Editor

Navigate to the page containing the block you wish to edit and open it in the editor mode.

Select the Block to Edit

Click on the specific block you want to modify. This action will open the block's editing options.

Edit the Text Content

Modify Existing Text: Click on the text area within the block to edit the existing content.
Add New Text: If the block is empty, click on the text area to start typing your desired content.

Change the Block's Background Color

Locate the Background Color option in the block's settings.
Click on the color picker to choose a new color or enter a specific hex code for a precise color match.

Adjust the Text Color

Find the Text Color option in the block's settings.
Use the color picker to select a new text color that contrasts well with the background for readability.

Save Changes

If you're satisfied with the modifications, click “Save” to update the page.