Half Dome vs Waterloo
Half Dome (PPG) and Waterloo (Sherwin-Williams) come from different manufacturers. Hue-wise, Half Dome belongs to the grey family and Waterloo to the blue family. The 37-point LRV gap — 50 for Half Dome vs 13 for Waterloo — means Half Dome will open up a space more effectively. A ΔE of 35.1 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Half Dome vs Waterloo in Real Spaces
6 real rooms side by side. Seeing Half Dome and Waterloo in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Half Dome reflects noticeably more light off the walls, making the space read more open than Waterloo.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Half Dome returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Half Dome returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Home Office
Home office walls matter more than most — you're looking at them all day, and a color that reads fine at first can become tiring over time. Half Dome returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Half Dome returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Half Dome vs Waterloo Simulated Comparison
5 simulated room previews — drag the slider on each to see Half Dome on one side and Waterloo 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 Half Dome comparisons
See how Half Dome stacks up against other well-photographed colors across different brands and tones.



















































