Look on the summary page. You will see that the background colour for the sections where the words Assets, Income, Expenses, Equity are! They are all a very old fashioned yellow! I know it’s just a personal preference, but I just happen to hate that particular colour. It’s reminds of the 70’s
Tweaking your monitor settings can help, but the underlying problem is not a person’s monitor or eyesight. This issue of contrast has been brought up quite a few times actually and this is the only program that I use where I have problems with contrast. I personally can see everything including the inactive/active tabs - but that is not the point. The contrasts are not optimal. See the post below for many users commenting on this point!