Mill Springs Blue vs Black grey
Where Mill Springs Blue belongs to Benjamin Moore's range, Black grey is a RAL Classic color. Mill Springs Blue reads as blue, while Black grey reads as blue-grey — two distinct hue families, not close cousins. Mill Springs Blue (LRV 34) reflects noticeably more light than Black grey (LRV 6), a difference of 27 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 44.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mill Springs Blue vs Black grey in Real Spaces
2 real rooms side by side. Seeing Mill Springs Blue and Black grey 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Mill Springs Blue will make the room feel meaningfully brighter than Black grey would.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Mill Springs Blue reflects noticeably more light off the walls, making the space read more open than Black grey.
Color Details
Mill Springs Blue vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Mill Springs Blue on one side and Black grey 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 Mill Springs Blue comparisons
See how Mill Springs Blue stacks up against other well-photographed colors across different brands and tones.
