How to change the Sheet page background color in Appy Pie Appsheet feature?

To change the Google Sheet page background color :

Step 1 :  Go to “My Features” section

Step 2 :  On Simulator screen, connect the desired google sheet.
Step 3 :  Click on the “Color Mixing Palette” icon.
Step 4 :  Page Style & Color Scheme section will open.Go to the “Advance style and navigation” sub-section of the “Page Style & Color Scheme”
Step 5 :  Under “Page Elements Color” section, you will get the “Page Background” option , Click on the “Color Selector”, to select the desired color.