Millstream vs S 0515-R80B
Where Millstream belongs to Behr's range, S 0515-R80B is a NCS color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. S 0515-R80B (LRV 71) reflects noticeably more light than Millstream (LRV 61), a difference of 10 points that becomes especially apparent in rooms with limited natural light. Millstream runs blue while S 0515-R80B is decidedly cool, which means they'll respond very differently to warm vs cool light sources. The ΔE 7.1 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.
Millstream vs S 0515-R80B in Real Spaces
1 real room side by side. Millstream and S 0515-R80B 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.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. S 0515-R80B reflects noticeably more light off the walls, making the space read more open than Millstream.
Color Details
Millstream vs S 0515-R80B Simulated Comparison
5 simulated room previews — drag the slider on each to see Millstream on one side and S 0515-R80B 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 Millstream comparisons
See how Millstream stacks up against other well-photographed colors across different brands and tones.










































