Blue Shamrock vs Naval
Where Blue Shamrock belongs to PPG's range, Naval is a Sherwin-Williams color. Hue-wise, Blue Shamrock belongs to the blue-green family and Naval to the blue family. Blue Shamrock (LRV 57) reflects noticeably more light than Naval (LRV 4), a difference of 53 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 56.8, 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
Blue Shamrock vs Naval Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Shamrock on one side and Naval 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 Blue Shamrock comparisons
See how Blue Shamrock stacks up against other well-photographed colors across different brands and tones.
