What could be a valuable collections of tools for working with colour has been sadly neglected, and left to grow weeds and bugs.
ColorSync
How to prepare images for colour-critical situations, such as submission to a jury, or for giclée printing.
Working with colour profiles in images, and when to avoid using them.
Colour calibration is important, particularly for displays. Instruments to do this can be costly, but even a more basic method is a big help.
This explains how OS X renders an image for output, to the display, printer, etc., and what rendering intent is.
Explaining colour management for the non-pro user. Why do you need it?
I tried to remove some colour profiles using the Finder, but they still appear in the menu. Is there a better way?
The Eclectic Light Company 