Thank you for the comments so far. I have been trying to load better pictures but keep struggling with the IT - managed to get them off the cloud but they were upside down. Flat paint on the columns would be similar to what we have achieved in the passage. And behind the table is my preferred site for the feature colour.

Hi Julia, A similar colour I have found is Taubmans Amenity / T12 3.C9 https://encycolorpedia.com/d3cdbc Have a look at the link and see what you think. Hope this helps.

Stick with three or fewer colours all up so I’d do the render the same as the boards. I would suggest paying a few hundred dollars for a colour consultant to get it right.

Ana, can you provide dimensions to help with layout. And what furniture and style you are seeking. For a master the closet space seems small. By workroom is that an office, craft, sewing, exercise?