Colonial Blue vs Vast Lake
Colonial Blue is a Benjamin Moore color while Vast Lake comes from Dulux. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. At LRV 35 vs 31, Colonial Blue will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. The tonal difference — Colonial Blue's blue character against Vast Lake's cool — becomes most visible against white trim or in morning light. At ΔE 3.3, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Colonial Blue vs Vast Lake Simulated Comparison
5 simulated room previews — drag the slider on each to see Colonial Blue on one side and Vast Lake 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 Colonial Blue comparisons
See how Colonial Blue stacks up against other well-photographed colors across different brands and tones.








































