Hamilton Blue vs RAL 810-4
Hamilton Blue (Benjamin Moore) and RAL 810-4 (RAL Effect) come from different manufacturers. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. The 4-point LRV gap — 18 for Hamilton Blue vs 14 for RAL 810-4 — means Hamilton Blue will open up a space more effectively. ΔE 5.1 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Hamilton Blue vs RAL 810-4 in Real Spaces
3 real rooms side by side. Hamilton Blue and RAL 810-4 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.
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. Hamilton Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
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. Hamilton Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Hamilton Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Hamilton Blue vs RAL 810-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Hamilton Blue on one side and RAL 810-4 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 Hamilton Blue comparisons
See how Hamilton Blue stacks up against other well-photographed colors across different brands and tones.
