Millstream vs Opal Silk
Millstream and Opal Silk come from the same Behr collection. Millstream reads as blue, while Opal Silk reads as blue-green — two distinct hue families, not close cousins. The 18-point LRV gap — 61 for Millstream vs 43 for Opal Silk — means Millstream will open up a space more effectively. Where Millstream leans blue, Opal Silk reads green — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 13.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Millstream vs Opal Silk in Real Spaces
1 real room side by side. Seeing Millstream and Opal Silk in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Millstream returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Millstream vs Opal Silk Simulated Comparison
5 simulated room previews — drag the slider on each to see Millstream on one side and Opal Silk 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.










































