Diamond Blue vs Signal White
Where Diamond Blue belongs to PPG's range, Signal White is a RAL Classic color. Diamond Blue reads as blue, while Signal White reads as white — two distinct hue families, not close cousins. Signal White (LRV 85) reflects noticeably more light than Diamond Blue (LRV 76), a difference of 9 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 10.5, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Diamond Blue vs Signal White Simulated Comparison
5 simulated room previews — drag the slider on each to see Diamond Blue on one side and Signal White 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 Diamond Blue comparisons
See how Diamond Blue stacks up against other well-photographed colors across different brands and tones.
