A house with wood floors and white trim can use almost any wall color. The only piece of the puzzle I can't see are the 'white granite' counters you mention. I wouldn't select paint color until you have at least a sample of the counter, and the backsplash to go with it. There are many whites and some will look better with your materials than others. Many people (and even some designers) try to put warm whites like White Dove with everything, but they don't look that good with blue-grays like Carrara.

But as far as Light French Gray, it can lean blue in some lighting conditions. Whatever you consider, you'll want to try large sample areas on the wall before you decide.

Another thing, if you haven't already - I'd remove all those window treatments (esp in kitchen) to let in as much light as possible. Consider roller shades or cell shades instead, things that can mostly be all the way up or down as needed. Avoid plantation shutters, their frames block 30% of the light, even when tilted open. Place a couple mirrors opposite a window to reflect more light in to the space. If the wiring is easily accessible, you might add a few can lights to the kitchen ceiling.