Big Dipper vs Rock Bottom
Big Dipper and Rock Bottom come from the same Sherwin-Williams collection. Big Dipper reads as blue-grey, while Rock Bottom reads as grey — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 6 vs 7 — so neither will read significantly brighter or darker than the other. Both share a neutral character, which means they'll respond to light and surrounding materials in similar ways. ΔE 3.8 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Big Dipper vs Rock Bottom Simulated Comparison
5 simulated room previews — drag the slider on each to see Big Dipper on one side and Rock Bottom 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 Big Dipper comparisons
See how Big Dipper stacks up against other well-photographed colors across different brands and tones.








































