Just saw a cool 'app' for the computer.  f'or all you interior decorators (or artists) out there. 
Sherwin Williams has a button for finding out what colors are in pictures that match their paint colors.  They also have a contest to win $1000 visa card.
Go here
http://graphicsfairy.blogspot.com/2012/06/perfect-palette-time-to-redecorate-huge.html
to see the demonstration and get the color chipit button for your toolbar.