Gustavian Blue vs Blue Promise
Gustavian Blue is a Jotun color while Blue Promise comes from PPG. Hue-wise, Gustavian Blue belongs to the blue-grey family and Blue Promise to the blue family. At LRV 38 vs 33, Gustavian Blue will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. At ΔE 19.1, 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.
Color Details
Gustavian Blue vs Blue Promise Simulated Comparison
5 simulated room previews — drag the slider on each to see Gustavian Blue on one side and Blue Promise 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 Gustavian Blue comparisons
See how Gustavian Blue stacks up against other well-photographed colors across different brands and tones.
