How to Change Website Colors And Website Background?

Please follow following enlisted steps to change website colors:

Go to Appearance>Customize>Styling Setting
Select the desired Primary Color Scheme
Select the desired Secondary Color Scheme
Select the desired Tertiary Color Scheme
Select the desired Quarternary Color Scheme

Select the Background Style either Full Width or Boxed
Select the Body Background Type either Color, Image or Pattern
Select the desired Background Color
Select the desired Inner Background Color
Click on Publish