Cool Ashes vs Millstream
Both from Behr's palette. Hue-wise, Cool Ashes belongs to the grey family and Millstream to the blue family. Millstream (LRV 61) reflects noticeably more light than Cool Ashes (LRV 29), a difference of 32 points that becomes especially apparent in rooms with limited natural light. Cool Ashes runs yellow while Millstream is decidedly blue, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 25.2, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Cool Ashes vs Millstream in Real Spaces
1 real room side by side. Seeing Cool Ashes 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.
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 Cool Ashes.
Color Details
Cool Ashes vs Millstream Simulated Comparison
5 simulated room previews — drag the slider on each to see Cool Ashes 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 Cool Ashes comparisons
See how Cool Ashes stacks up against other well-photographed colors across different brands and tones.










































