Blue Promise vs Grey Blue
Where Blue Promise belongs to PPG's range, Grey Blue is a RAL Classic color. Blue Promise (LRV 33) reflects noticeably more light than Grey Blue (LRV 7), a difference of 26 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 35.5, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question.
Blue Promise 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 Blue Promise comparisons
See how Blue Promise stacks up against other well-photographed colors across different brands and tones.
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