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Sherwin-Williams SW-6225 / Light & depth

Sleepy Blue in Daylight and Evening Light: What Changes Matter?

Judge Sleepy Blue under the light you actually use, rather than expecting one constant screen appearance. Its LRV is 58; the key concern is a blue that needs more than a warm-or-cool label .

Color guide · Updated September 23, 2026

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

Follow the room through its ordinary day

Judge Sleepy Blue under the light you actually use, rather than expecting one constant screen appearance. Its LRV is 58; the key concern is a blue that needs more than a warm-or-cool label . Sleepy Blue is described as warm by its manufacturer, a reason to avoid assuming every light blue has the same cool effect.

Why the cream bedding and honey wood relationship matters

Cream bedding and honey wood provide the real context for that temperature description, especially under the lamps used at night.

Sleepy Blue has an LRV of 58; Sherwin-Williams Niebla Azul SW-9137 is 53. The difference is 5 points, with Sleepy Blue returning more light under the reference measurement.

Keep the surroundings in the test

Track which part of Sleepy Blue feels most prominent in each condition: the main hue, its grayed quality or its depth. Keep cream bedding and honey wood in the view. This creates a usable record of the palette instead of a list of apparently different colors produced by phone exposure.

A lighting result needs a practical decision

Use the cream fabric as the real temperature test instead of inferring an icy effect from the word blue. The undertones and neighboring colors covers that related choice. The physical-sample checklist covers that related choice.

Record the condition that made Sleepy Blue least convincing as well as its best view. If only a short period of daylight works, change the color or the room plan rather than ignoring the hours when the space is occupied. The north-facing room assessment covers that related choice. Before ordering samples, compare room-planning features in the paint color visualizer roundup.

Sources & notes

Color specifications: Sherwin-Williams Sleepy Blue SW-6225. The recorded LRV is 58. 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.