East facing kitchen diner with big windows - looking for grey paint

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I'm considering Farrow & Ball Worsted (think it's a touch too dark though) and Purbeck Stone (I think it's a touch too light though, ha!) for our long, thin, East-facing kitchen/diner/living room.

Is this a good colour palette to go for? Or should I go for a greener/warmer tone such as Drop Cloth or Hardwick White/French Grey?

Will it all get a bit dark and gloomy in the afternoon with such dark colours, even though we have big (East-facing) windows?

We are going for F&B Moles breath in our living room it's a deep grey. How dark are you thinking? Also pairing it with Dulux Aged white which is a cream/parchment white. Will probably get get it mixed up at a Dulux trade point as I need a slightly more affordable ( cheaper) paint than F&B

I can strongly recommend Pinterest when looking for colour palettes I found several ideas on there that work really well IRL