Pastel blue vs Celestial
Pastel blue (RAL Classic) and Celestial (Sherwin-Williams) come from different manufacturers. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. The 15-point LRV gap — 44 for Celestial vs 29 for Pastel blue — means Celestial will open up a space more effectively. A ΔE of 15.3 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.
Pastel blue vs Celestial in Real Spaces
1 real room side by side. Seeing Pastel blue and Celestial 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. Celestial reflects noticeably more light off the walls, making the space read more open than Pastel blue.
Color Details
Pastel blue vs Celestial Simulated Comparison
5 simulated room previews — drag the slider on each to see Pastel blue on one side and Celestial 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 Pastel blue comparisons
See how Pastel blue stacks up against other well-photographed colors across different brands and tones.
