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.
normal account balance. The debit or credit balance that would be expected in a specific account in the general ledger. For example, asset accounts and expense accounts normally have debit balances. Revenues, liabilities, and stockholders' equity accounts normally have credit balances. Related Q&A.