Hello...
 
Is it possible to change the color or size of the peak meter level indicator ?  ... my eyes are failing me as I age  :(
 
Thanks,
Freq

The theme editor will allow you to change colors of the meter.
If you are referring to the mark put on an audio track that shows the peak level, that would be in Preferences/colors. but to be honest, im not sure where it would be or if its even there.
 
This might help as well.
https://www.cakewalk.com/Documentation?product=SONAR%20X3&language=3&help=Mixing.17.html

As someone whose eyesight is also fading, might I suggest turning to a third-party metering plugin. There are a great many to choose from, some are resizable, and many are free.

Thanks Chuck and Bit...
 
When I start gain staging at the very beginning of a mix, I'd like to see all the tracks in console view simultaneously. In a perfect world, I could change the thickness of the "mark" indicator, locking the peak and listening to the song all the way through --- I then try to level all the tracks before I do anything else to try and preserve some headroom.  I probably need to improve the levels "going in" in order to save myself some time.
This is my current workflow, but I'm sure there are more efficient ways
Thanks again :~)
Freq