Iron grey vs Millstream
Where Iron grey belongs to RAL Classic's range, Millstream is a Behr color. Millstream (LRV 61) reflects noticeably more light than Iron grey (LRV 12), a difference of 49 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 46.4, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question.
Iron grey vs Millstream Color Comparison
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.
Color Details
Iron grey vs Millstream in Real Spaces
Seeing Iron grey 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. Showing 1 room type where both colors have photos.
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 Iron grey.
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Visualization
More Iron grey comparisons
See how Iron grey stacks up against other well-photographed colors across different brands and tones.
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