Mountain Stream vs Grey Blue
Where Mountain Stream belongs to PPG's range, Grey Blue is a RAL Classic color. Mountain Stream (LRV 41) reflects noticeably more light than Grey Blue (LRV 7), a difference of 34 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 38.4, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question.
Mountain Stream vs Grey Blue 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
More Mountain Stream comparisons
See how Mountain Stream stacks up against other well-photographed colors across different brands and tones.
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Mountain Stream reads lighter
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Light vs dark contrast
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Mountain Stream reads lighter
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Light vs dark contrast
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