Celestial Blue vs Little Blue Box
Celestial Blue (Little Greene) and Little Blue Box (Sherwin-Williams) come from different manufacturers. Celestial Blue reads as blue-green, while Little Blue Box reads as blue — two distinct hue families, not close cousins. The 5-point LRV gap — 49 for Little Blue Box vs 44 for Celestial Blue — means Little Blue Box will open up a space more effectively. Where Celestial Blue leans green, Little Blue Box reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 14.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Celestial Blue vs Little Blue Box in Real Spaces
1 real room side by side. Seeing Celestial Blue and Little Blue Box in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Little Blue Box reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Celestial Blue vs Little Blue Box Simulated Comparison
5 simulated room previews — drag the slider on each to see Celestial Blue on one side and Little Blue Box 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 Celestial Blue comparisons
See how Celestial Blue stacks up against other well-photographed colors across different brands and tones.
