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Sherwin-Williams SW-9137 / Rooms & surfaces

Niebla Azul in a Bathroom: Tile, Porcelain and Vanity Light

Niebla Azul can be considered for bathroom if its color and depth suit the space; the first design question is blue in both the sunlit wall and the shaded return.

Color guide · Updated September 23, 2026

Sitting room with muted blue walls, warm wood and cream upholstery

The decision for this particular color

Niebla Azul can be considered for bathroom 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.

Let tile and porcelain set the limits

Compare Niebla Azul with the largest tile field before adding towels or bath accessories. The tile is the permanent color neighbor; textiles are flexible. Review the mirror view as well as the direct wall, since reflected surfaces can add more of the chosen hue to the apparent room.

Separate the palette from the moisture specification

Check that the shaded wall retains an appealing blue before carrying it into an adjoining room. The undertones and neighboring colors covers that related choice. The daylight and evening-light checks covers that related choice.

Choose a Sherwin-Williams coating appropriate to the bathroom surface and follow the manufacturer's preparation and application guidance. Color SW-9137 does not identify a moisture-control system. Ventilation, substrate condition and the intended finish are separate decisions; approve the color under the real vanity lighting before ordering the full paint quantity. The trim color comparison 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.