Celestial Blue vs Half Dome
Where Celestial Blue belongs to Little Greene's range, Half Dome is a PPG color. Celestial Blue reads as blue-green, while Half Dome reads as grey — two distinct hue families, not close cousins. Half Dome (LRV 50) reflects noticeably more light than Celestial Blue (LRV 44), a difference of 6 points that becomes especially apparent in rooms with limited natural light. The ΔE 7.1 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Celestial Blue vs Half Dome in Real Spaces
4 real rooms side by side. Celestial Blue and Half Dome 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.
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 brightness difference is modest but present — Half Dome gives the walls a little more lift.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Half Dome reads slightly lighter here — a subtle but real difference in how open the space feels.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Half Dome reads slightly lighter here — a subtle but real difference in how open the space feels.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The brightness difference is modest but present — Half Dome gives the walls a little more lift.
Color Details
Celestial Blue vs Half Dome Simulated Comparison
5 simulated room previews — drag the slider on each to see Celestial Blue on one side and Half Dome 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.
