Not too bad
I actually find this image to be pretty well done, even though I don't often inspect pixel art. I agree with Pertokeyo when he says the blue in the window seems out of place and sort of scuffs up the image. Still, it's fine work.
I'm usually concerned about pixel art; I often see it as an easy method of making lots of images and filling out everything. However you've really thought about this and the result is inspiring, gentle and constructive. I love the little details everywhere, such as triangular window blinds and bedside objects.
However your attempts to use a range of colours effectively has missed the mark. Yes objects have great tones, but the colours change too rapidly and the spots of blue ruin the outside environment. Also the pixels are slightly too big to be able to confidently identify what all the objects are.
Interesting pixel art; very ambitious and well thought out, but with slightly inaccurate colour schemes.
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