The decision for this particular color
Niebla Azul can be considered for whole house if its color and depth suit the space; the first design question is blue in both the sunlit wall and the shaded return. Niebla Azul has more reflectance than deep slate blues yet enough body to be a visible light-blue wall.
Why the warm linen and natural wood relationship matters
Natural wood and warm linen provide a reason to inspect both sunlit and shaded views rather than decide from a single cool-looking photo.
Niebla Azul has an LRV of 53; Sherwin-Williams Sleepy Blue SW-6225 is 58. The difference is 5 points, with Sleepy Blue returning more light under the reference measurement.
Walk the connecting sightlines
Carry Niebla Azul between connected spaces with their usual furniture and flooring visible. A repeated blue, green or pink becomes part of the whole-house identity, so decide whether that amount of color is wanted. A shared trim or textile can connect rooms without repeating every wall.
A shared palette does not require one paint everywhere
Check that the shaded wall retains an appealing blue before carrying it into an adjoining room. The north-facing room assessment covers that related choice. The situations that call for another color covers that related choice.
If Niebla Azul passes in the main room but fails against another fixed floor, a related color in that space may be more coherent than repeating one formula everywhere. Review both rooms through the connecting doorway. The living-room palette covers that related choice. Before ordering samples, compare room-planning features in the paint color visualizer roundup.
Sources & notes
Color specifications: Sherwin-Williams Niebla Azul SW-9137. The recorded LRV is 53. Named comparison values come from the respective manufacturers; material schemes are editorial suggestions.
This guide reviews published color information and proposes practical sample checks. It does not claim first-hand paint testing or customer-review scores. Sherwin-Williams does not sponsor or endorse this site. Product names and trademarks belong to their respective owners. Confirm the color in a physical sample and select the coating for the actual surface and finish.

