Sap Green vs Fern green
Where Sap Green belongs to Farrow & Ball's range, Fern green is a RAL Classic color. These are both green-yellows, so the question isn't which hue to choose — it's where within green-yellow to land. Sap Green (LRV 21) reflects noticeably more light than Fern green (LRV 16), a difference of 5 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 10.7, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Sap Green vs Fern green Simulated Comparison
5 simulated room previews — drag the slider on each to see Sap Green on one side and Fern 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 Sap Green comparisons
See how Sap Green stacks up against other well-photographed colors across different brands and tones.







































