Lovely print. I had a peacock feather print and I had a colour called glacier Grey behind. Think it was Wattyl . Again like your other walls it is a greenish grey but darker. I also had my prints on a charcoal wall..loved that too. As you said the picture ties in with the chairs and now it's not necessary to add more matching colours. I'd buy a couple of sample pots and paint large pieces of cardboard. With the other walls I would consider painting them in whisper white (Dulux) a very universal colour that ties in nicely with all colours.

I took into consideration your new Fridge pantry alcove when I designed your kitchen to get you the max island and still being well placed within the kitchen. If the island isn't attached to the fridge wall you would need to leave a 1m space between them which would reduce the 3m Island as I have shown, the dotted wall shows the length of your kitchen, and how the island fits into that space, you could extend the island further into the dining if you wanted, I can redraw that for you. As I said with both of your plans drawn differently Both OKL and myself had a differnt result

I'd go the bright white of the kitchen on the risers , and possibly the wooden panels behind the lower steps -- the wall colour might suit the walls , but just me , I'd like to make the steps look associated but slightly different , referenced back to the kitchen .

Is the first pic you posted an older one , maybe off the for sale ad ? It looks several shades yellower , but the gardens are quite different too . So that leads me to conclude it is fading on its own account -- that makes it easier IMO , just do nothing and it'll fade more ! Buttery yellow and brown were 80's , and pretty naff now , but instead of black , I'd go a Japanese Black -- a bit more matt , even blue hues there too -- more interesting , again just my opinion . The terracota does look slightly out of proportion , but lighter walls , darker trim and the orangeness of the terracota for interest would be my go , but then I'm not a fan of too much white on walls -- I'd prefer the 'relaxed casual' of a beige , jap black and terracota to crisp whites . I also assume that timber and the area to the 'right' of the stairs is the area closest to the street ? No matter what you do ( I'd go Jap Black stain on the wood , but do what YOU want ) I'd look at a bark garden or rock garden , with probably cactus and flax and reds and yellows and greens -- the timber looks too much in proportion to the render in the picture , so i'd soften that ( basically hide part of it ) . I like the character and it can get even better -- a great base ! Well done !