Celestial Blue vs Roman Plaster
Both from Little Greene's palette. Celestial Blue reads as blue-green, while Roman Plaster reads as beige-greige — two distinct hue families, not close cousins. They have nearly identical light reflectance values (44 vs 44), so they'll read as similarly Medium in most lighting conditions. Celestial Blue runs green while Roman Plaster is decidedly red, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 19.2, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Celestial Blue vs Roman Plaster in Real Spaces
2 real rooms side by side. Seeing Celestial Blue and Roman Plaster in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The temperature contrast between Roman Plaster and Celestial Blue is what sets these apart most in this context.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Roman Plaster brings more warmth to the space, while Celestial Blue keeps things cooler and crisper.
Color Details
Celestial Blue vs Roman Plaster Simulated Comparison
5 simulated room previews — drag the slider on each to see Celestial Blue on one side and Roman Plaster 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.
