Lullaby vs Sleepy Blue
Lullaby and Sleepy Blue come from the same Sherwin-Williams collection. Hue-wise, Lullaby belongs to the blue-grey family and Sleepy Blue to the blue family. The 7-point LRV gap — 65 for Lullaby vs 58 for Sleepy Blue — means Lullaby will open up a space more effectively. Both share a cool character, which means they'll respond to light and surrounding materials in similar ways. ΔE 4.4 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Lullaby vs Sleepy Blue in Real Spaces
1 real room side by side. Lullaby and Sleepy Blue are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Lullaby has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Lullaby vs Sleepy Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Lullaby on one side and Sleepy Blue on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Lullaby comparisons
See how Lullaby stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 65), opening up a space where Lullaby encloses it.
At LRV 65 vs 52, Lullaby is decisively the brighter choice.
At LRV 65 vs 30, Lullaby is decisively the brighter choice.
A 4-point LRV gap (65 vs 60) makes Lullaby the marginally brighter of the two.
Lullaby reads slightly lighter (LRV 65 vs 58), a gap that shows most in low-lit rooms.
Lullaby reflects far more light (LRV 65 vs 27), opening up a space where Denim Drift encloses it.
At LRV 65 vs 43, Lullaby is decisively the brighter choice.
Lullaby reads slightly lighter (LRV 65 vs 55), a gap that shows most in low-lit rooms.
Lullaby reflects far more light (LRV 65 vs 44), opening up a space where Hardwick White encloses it.
At LRV 84 vs 65, Pure White is decisively the brighter choice.
With LRVs of 66 and 65, the two reflect almost the same amount of light.
Shoji White reads slightly lighter (LRV 74 vs 65), a gap that shows most in low-lit rooms.
Lullaby reflects far more light (LRV 65 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reads slightly lighter (LRV 68 vs 65), a gap that shows most in low-lit rooms.
Lullaby reflects far more light (LRV 65 vs 12), opening up a space where Vintage Vogue encloses it.
Lullaby reflects far more light (LRV 65 vs 45), opening up a space where Saybrook Sage encloses it.
At LRV 65 vs 31, Lullaby is decisively the brighter choice.
At LRV 65 vs 7, Lullaby is decisively the brighter choice.
At LRV 65 vs 24, Lullaby is decisively the brighter choice.
A 7-point LRV gap (65 vs 57) makes Lullaby the marginally brighter of the two.