Try Sidewalk Gray by Benjamin Moore. It looked blue in the morning in my west facing kitchen, and more gray at night. Really a pretty color I don't ever hear many people talking about. It really changed throughout the day and no green undertones I could see.

Mtnrdredux.. Not sure if you saw post on your other thread.. I took a photo of our MB with Theresa's Green and pale powder. The tricky thing with Theresa's green was the undercoat recommended by FnB - they recommend the dark undercoat which was really dark. I even called their Toronto office and talked to the main paint guy here who convinced me to give it a try.. It really seems to add a dimension to how the color feels.. Kind of like a darker petticoat under a silk gown. Every day, I catch myself looking at the color because it is such a changeling. Our bedroom faces east and I also have a couple of skylights on the ceiling. The dark wood is panel on the wall. Theresa's green is on the wall to the right. The ceiling and the wall to the left are pale powder.

You have to try some samples on a big board outside before making a decision. Start with the two you like and see how they work. Everything looks much lighter outside. In general, I prefer more muted tones for exterior, to avoid the carnival look, unless it’s a beach house, they can wear brighter colors.

Many thanks @Karolina De Costa and @Judy Graham! In our home, the Wedgewood Gray starts off blue in the morning and then goes blue green as the room gets more light. @Karolina De Costa, I actually did a small sample of Ewing Blue, but I was worried it might be a bit bright? In the family room, the sample I did looks similar (though brighter) than the Gray Cashmere we have in the MBR, which looks like a pale green-blue or blue-green color in the light in that room. I was going to switch out what's in the master and put Gray Cashmere in the main living areas, but it looks a lot grayer in the family room than it does in the master, on the sample at least. For whatever reason, everything in this pic looks a lot grayer than it does IRL - BM Ewing Blue looks brighter in person. Left to right, top row: BM Ocean Air, BM Ewing Blue, BM Gray Cashmere Left to right, bottom row: 50% SW Sea Salt, 50% SW Rainwashed, SW Sea Salt Left to right: BM Ewing Blue, BM Ocean Air, 50% SW Rainwashed