How change brightness/intensity of local adjustment mask overlay

[#1]

When I make a selection in the local adjustment brush or any local tools, I can display the mask overlay.  Unfortunately, it's BARELY visible.  It's a very faint red.

How do I change the intensity of the overlay mask so it's a lot easier to see exactly where I've selected.

[#2]

When I make a selection in the local adjustment brush or any local tools, I can display the mask overlay.  Unfortunately, it's BARELY visible.  It's a very faint red.

How do I change the intensity of the overlay mask so it's a lot easier to see exactly where I've selected.

[#3]

Try a  different color

Shift O

https://blogs.adobe.com/jkost/2014/01/the-adjustment-brush-overlay-in-lightroom.html

[#4]

REALLY FAINT, virtually invisible green on black isn't any better than REALLY FAINT, virtually invisible red.  Or blue...   IIRC, the range mask has the same problem. 

[#5]

Unfortunately, the intensity of the overlay mask is not controlable.

The best we can offer is a color change. I went with green since that is less common of a color in my non-landscape photos.

[#6]

A couple more thoughts:

1. Temporarily disable LR's use of the GPU by setting Preferences > Performace > Use Graphics Processor to Off. In the past, there have been a few instances where bugs in GPU drivers have caused overlays to appear differently.

2. Post a full-resolution screenshot of the Develop window showing the overlay with some local-adjustment brush strokes. That will let us see if you're system is showing the overlay differently than normal.

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[#7 · Accepted solution]

Sounds like your brush has flow or density (or both) set close to zero. (Which may be what you want, but then the overlay is supposed to be barely visible; or it may not be what you want)

[#8]

"Sounds like your brush has flow or density (or both) set close to zero."

This is more likely than a buggy GPU driver.

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