Heavenly Blue vs Window grey
Heavenly Blue is a PPG color while Window grey comes from RAL Classic. Heavenly Blue reads as blue, while Window grey reads as blue-grey — two distinct hue families, not close cousins. At LRV 48 vs 36, Heavenly Blue will read as the brighter of the two — a 12-point gap that matters most in north-facing or low-light rooms. At ΔE 14.0, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Heavenly Blue vs Window grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Heavenly Blue on one side and Window grey 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 Heavenly Blue comparisons
See how Heavenly Blue stacks up against other well-photographed colors across different brands and tones.







































