Yes, ours flow. Neutral/ oak/ white/ blue/ green throughout, although each room is different. We have views out over treetops/ garden so I also wanted the colours to flow outdoors too. Garden planting is white/green/blue/pale yellow. I may be over thinking this but is v important to me
I once had a colour expert (?) tweak all the colours I had chosen for a new build house. (In Canada) It was one of the best £60's I have ever spent. Although I had chosen the approximate colours she changed each one slightly so that they all flowed with each other. The effect was excellent.
Ours flows - it's a smallish bungalow so all the rooms need to looks as large as possible and compliment each other. We've gone for Nutmeg in the living room & 2 beds with Muddy Puddle as an accent in the living room and Laura Ashley soft gold wallpaper in the hall. The bathroom though is completely different Black/white/grey.