Sea Urchin 2 vs Moody Blue
Where Sea Urchin 2 belongs to Dulux's range, Moody Blue is a Sherwin-Williams color. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. They have nearly identical light reflectance values (28 vs 26), so they'll read as similarly Medium in most lighting conditions. Both lean cool, so they'll behave similarly in mixed or changing light conditions. The ΔE 3.5 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Sea Urchin 2 vs Moody Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Sea Urchin 2 on one side and Moody Blue 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 Sea Urchin 2 comparisons
See how Sea Urchin 2 stacks up against other well-photographed colors across different brands and tones.








































