Thunder Bay vs Cement grey
Thunder Bay (PPG) and Cement grey (RAL Classic) come from different manufacturers. Hue-wise, Thunder Bay belongs to the blue family and Cement grey to the grey family. The 46-point LRV gap — 70 for Thunder Bay vs 24 for Cement grey — means Thunder Bay will open up a space more effectively. A ΔE of 32.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Thunder Bay vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Thunder Bay 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 Thunder Bay comparisons
See how Thunder Bay stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 70, White Dove is decisively the brighter choice.
With LRVs of 70 and 69, the two reflect almost the same amount of light.
At LRV 70 vs 6, Thunder Bay is decisively the brighter choice.
Thunder Bay reflects far more light (LRV 70 vs 52), opening up a space where Purbeck Stone encloses it.
Thunder Bay reflects far more light (LRV 70 vs 30), opening up a space where Evergreen Fog encloses it.
At LRV 70 vs 52, Thunder Bay is decisively the brighter choice.
Thunder Bay reads slightly lighter (LRV 70 vs 60), a gap that shows most in low-lit rooms.
At LRV 70 vs 58, Thunder Bay is decisively the brighter choice.
At LRV 70 vs 27, Thunder Bay is decisively the brighter choice.
Thunder Bay reflects far more light (LRV 70 vs 43), opening up a space where French Gray encloses it.
Thunder Bay reflects far more light (LRV 70 vs 4), opening up a space where Naval encloses it.
At LRV 70 vs 55, Thunder Bay is decisively the brighter choice.
At LRV 70 vs 13, Thunder Bay is decisively the brighter choice.
At LRV 70 vs 44, Thunder Bay is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 70), opening up a space where Thunder Bay encloses it.
Thunder Bay reflects far more light (LRV 70 vs 21), opening up a space where Artichoke encloses it.
A 4-point LRV gap (70 vs 66) makes Thunder Bay the marginally brighter of the two.
A 4-point LRV gap (74 vs 70) makes Shoji White the marginally brighter of the two.
At LRV 83 vs 70, Snowbound is decisively the brighter choice.
At LRV 70 vs 12, Thunder Bay is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 70 vs 68), so neither reads brighter in a room.
Thunder Bay reflects far more light (LRV 70 vs 41), opening up a space where Dix Blue encloses it.
With LRVs of 70 and 68, the two reflect almost the same amount of light.
Thunder Bay reflects far more light (LRV 70 vs 25), opening up a space where Treron encloses it.
At LRV 70 vs 12, Thunder Bay is decisively the brighter choice.
At LRV 70 vs 45, Thunder Bay is decisively the brighter choice.
Thunder Bay reflects far more light (LRV 70 vs 31), opening up a space where Pale Green encloses it.
Thunder Bay reflects far more light (LRV 70 vs 7), opening up a space where Pine Needle encloses it.
Thunder Bay reflects far more light (LRV 70 vs 57), opening up a space where Guilford Green encloses it.
With LRVs of 72 and 70, the two reflect almost the same amount of light.