Coastal Grey vs J491
Coastal Grey is a Dulux color while J491 comes from Tikkurila. Coastal Grey reads as blue-grey, while J491 reads as blue — two distinct hue families, not close cousins. At LRV 56 vs 52, Coastal Grey will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. With a ΔE of 1.4, the difference is subtle — you'd need them side by side to reliably tell them apart. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Coastal Grey vs J491 Simulated Comparison
5 simulated room previews — drag the slider on each to see Coastal Grey on one side and J491 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 Coastal Grey comparisons
See how Coastal Grey stacks up against other well-photographed colors across different brands and tones.
