I use the ff. custom formula for conditional formatting in Google sheets:
=sum(arrayformula(n(regexmatch($J2:$W, "Unsure|Yes")))) = 0
However, it also colors empty cells.
I tried to incorporate the formula as suggested here
but couldn't get it to work either.
If you need to see the sheet I'm using, here's a copy.
Best Answer
An easy way to avoid coloring empty cells is to just check if the cell is empty using isblank(). Replace the formula with
I've done this for your sheet copy.