Blue Opal vs Cement grey
Blue Opal is a PPG color while Cement grey comes from RAL Classic. Blue Opal reads as blue, while Cement grey reads as grey — two distinct hue families, not close cousins. At LRV 56 vs 24, Blue Opal will read as the brighter of the two — a 32-point gap that matters most in north-facing or low-light rooms. At ΔE 31.7, 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
Blue Opal vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Opal on one side and Cement 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 Blue Opal comparisons
See how Blue Opal stacks up against other well-photographed colors across different brands and tones.







































