Make sure you are in ' Finder ' - press ' Apple ' + ' Tab ' if necessary to cycle through open applications until you return to ' Finder '.Ĭlick on the 'Apple ' menu or press ' Ctrl ' + ' F2 '.Ĭlick on ' System Preferences. Note: For keyboard access make sure ' Full keyboard access ' is turned on - you can turn it on or off by pressing ' Ctrl ' + ' F1 ' at any time. Note: Mac key convention: ' Ctrl ' is used for 'Control', ' Apple ' is used for 'Command' and ' Alt ' is used for the 'Option' key. This section explains how you can change your colours in Mac OS X.