What a cool little series! Fun. It forces you to go around and notice the colors or shades of things you perhaps didn't notice before. White, actually, is one of my favorite colors. I know, I know, it's not a "real" color. But I love how fresh and clean and open it feels.
I know exactly how you feel because gray is one of my favorites! A lot of people see it as a gloomy, oppressive color, but I think it is a perfectly calming neutral. Plus it really makes the "true" color around it pop. :)
I love your details series. Those buttons are gorgeous!