Comet vs Shale

Both are Benjamin Moore colors. Hue-wise, Comet belongs to the blue-grey family and Shale to the greige-grey family. At LRV 50 vs 36, Shale will read as the brighter of the two — a 14-point gap that matters most in north-facing or low-light rooms. The tonal difference — Comet's blue character against Shale's red — becomes most visible against white trim or in morning light. At ΔE 17.9, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.