No specific info about version 5.3. Please visit the main page of Projucer on Mac Informer.
It is a drag and drop app that aids in capturing hex, RGB and HSL color values.
NEAT projects professional provides a clear view of your motif on the fly.
Picks HSB, RGB, and HEX colors from various elements and images.
Adds an additional pane to the standard Apple Color Picker.
Get and edit hexadecimal HTML color codes in the standard Mac OS X color panel.