Once Upon a Time vs Sap Green
Once Upon a Time is a Benjamin Moore color while Sap Green comes from Farrow & Ball. Hue-wise, Once Upon a Time belongs to the green family and Sap Green to the green-yellow family. With LRVs of 21 and 21, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Once Upon a Time's green character against Sap Green's warm — becomes most visible against white trim or in morning light. At ΔE 32.1, 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
Once Upon a Time vs Sap Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Once Upon a Time on one side and Sap Green 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 Once Upon a Time comparisons
See how Once Upon a Time stacks up against other well-photographed colors across different brands and tones.








































