Waterloo vs Petrol
Waterloo is a Sherwin-Williams color while Petrol comes from Tikkurila. Waterloo reads as blue, while Petrol reads as blue-grey — two distinct hue families, not close cousins. With LRVs of 13 and 13, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 3.3, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Waterloo vs Petrol Simulated Comparison
5 simulated room previews — drag the slider on each to see Waterloo on one side and Petrol 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 Waterloo comparisons
See how Waterloo stacks up against other well-photographed colors across different brands and tones.
