The number of colors really depends on the simplicity or complexity of your home. Adding too many colors to a home that's really designed to have a maximum of 3 or 4 colors will make the home look garish, and the exterior paint colors will come off as garish. Look for homes with similar architecture, hopefully by the same builder, and see what others have successfully done.
Definition: A debit is an accounting entry that either increases an asset or expense account, or decreases a liability or equity account. It is positioned to the left in an accounting entry.
A direct debit is an instruction given to your bank to withdraw money from your account on one or more set occasions. A direct debit can be created for a fixed or varied amount, which makes the system perfect for paying mobile phones and credit card bills.