Sleepy Blue LRV 58: How Much Contrast to Expect

What 58 tells you about Sleepy Blue

The published LRV of Sherwin-Williams Sleepy Blue SW-6225 is 58. It describes light reflectance; it does not specify an undertone or predict the brightness of your room. Sleepy Blue is described as warm by its manufacturer, a reason to avoid assuming every light blue has the same cool effect.

The choice beside cream bedding and honey wood

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

Compare Sleepy Blue and Niebla Azul at equal size, first considering depth and then hue. A lighter blue, green or pink is still a colored surface. Use the LRV to organize the depth question without assuming that it measures saturation or predicts which hue the room will favor.

What the comparison can—and cannot—settle

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. Sleepy Blue is a light blue described as warm by Sherwin-Williams. The value measures reflectance, so it cannot by itself identify an undertone, a coating finish or the amount of illumination needed in the room. The daylight and evening-light checks covers that related choice.

Use the cream fabric as the real temperature test instead of inferring an icy effect from the word blue. Do not read LRV 58 as a percentage improvement in perceived room brightness. Make the decision with the board upright at the actual wall or cabinet position, including the least illuminated portion. The north-facing room assessment covers that related choice. Before ordering samples, compare room-planning features in the paint color visualizer roundup.