Mammoth Mountain vs Millstream
Both from Behr's palette. These are both blues, so the question isn't which hue to choose — it's where within blue to land. Millstream (LRV 61) reflects noticeably more light than Mammoth Mountain (LRV 11), a difference of 50 points that becomes especially apparent in rooms with limited natural light. Both lean blue, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 41.7, 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 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mammoth Mountain vs Millstream in Real Spaces
6 real rooms side by side. Seeing Mammoth Mountain and Millstream 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 Millstream will make the room feel meaningfully brighter than Mammoth Mountain would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Millstream reflects noticeably more light off the walls, making the space read more open than Mammoth Mountain.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Millstream reflects noticeably more light off the walls, making the space read more open than Mammoth Mountain.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Millstream reflects noticeably more light off the walls, making the space read more open than Mammoth Mountain.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Millstream reflects noticeably more light off the walls, making the space read more open than Mammoth Mountain.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Millstream reflects noticeably more light off the walls, making the space read more open than Mammoth Mountain.
Color Details
Mammoth Mountain vs Millstream Simulated Comparison
5 simulated room previews — drag the slider on each to see Mammoth Mountain on one side and Millstream 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 Mammoth Mountain comparisons
See how Mammoth Mountain stacks up against other well-photographed colors across different brands and tones.
