Starless Sky vs RAL 790-5
Where Starless Sky belongs to PPG's range, RAL 790-5 is a RAL Effect color. These are both greys, so the question isn't which hue to choose — it's where within grey to land. They have nearly identical light reflectance values (5 vs 4), so they'll read as similarly Dark in most lighting conditions. With a ΔE of 12.6, 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.
Starless Sky vs RAL 790-5 in Real Spaces
2 real rooms side by side. Seeing Starless Sky and RAL 790-5 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. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Starless Sky vs RAL 790-5 Simulated Comparison
5 simulated room previews — drag the slider on each to see Starless Sky on one side and RAL 790-5 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 Starless Sky comparisons
See how Starless Sky stacks up against other well-photographed colors across different brands and tones.











































