Black grey vs Stream
Where Black grey belongs to RAL Classic's range, Stream is a Sherwin-Williams color. Hue-wise, Black grey belongs to the blue-grey family and Stream to the blue family. Stream (LRV 57) reflects noticeably more light than Black grey (LRV 6), a difference of 50 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 60.2, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Black grey vs Stream Simulated Comparison
5 simulated room previews — drag the slider on each to see Black grey on one side and Stream 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 Black grey comparisons
See how Black grey stacks up against other well-photographed colors across different brands and tones.
