Half Dome vs Grey white
Where Half Dome belongs to PPG's range, Grey white is a RAL Classic color. Hue-wise, Half Dome belongs to the grey family and Grey white to the greige-grey family. Grey white (LRV 67) reflects noticeably more light than Half Dome (LRV 50), a difference of 17 points that becomes especially apparent in rooms with limited natural light. The ΔE 9.6 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Half Dome vs Grey white in Real Spaces
1 real room side by side. Half Dome and Grey white are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Grey white reflects noticeably more light off the walls, making the space read more open than Half Dome.
Color Details
Half Dome vs Grey white Simulated Comparison
5 simulated room previews — drag the slider on each to see Half Dome on one side and Grey white 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.
