Castle Stone vs Agreeable Gray
Castle Stone (PPG) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Castle Stone reads as grey, while Agreeable Gray reads as greige-grey — two distinct hue families, not close cousins. The 51-point LRV gap — 60 for Agreeable Gray vs 9 for Castle Stone — means Agreeable Gray will open up a space more effectively. A ΔE of 46.3 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
Castle Stone vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Castle Stone on one side and Agreeable Gray 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 Castle Stone comparisons
See how Castle Stone stacks up against other well-photographed colors across different brands and tones.







































