Sap Green vs Relentless Olive
Where Sap Green belongs to Farrow & Ball's range, Relentless Olive is a Sherwin-Williams color. Hue-wise, Sap Green belongs to the green-yellow family and Relentless Olive to the beige-yellow family. Sap Green (LRV 21) reflects noticeably more light than Relentless Olive (LRV 16), a difference of 5 points that becomes especially apparent in rooms with limited natural light. Sap Green runs warm while Relentless Olive is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 8.5 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Sap Green vs Relentless Olive in Real Spaces
2 real rooms side by side. Sap Green and Relentless Olive are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Sap Green gives the walls a little more lift.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Sap Green reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Sap Green vs Relentless Olive Simulated Comparison
5 simulated room previews — drag the slider on each to see Sap Green on one side and Relentless Olive 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.
At LRV 83 vs 21, White Dove is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 21), opening up a space where Sap Green encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 21), a gap that shows most in low-lit rooms.
Agreeable Gray reflects far more light (LRV 60 vs 21), opening up a space where Sap Green encloses it.
At LRV 58 vs 21, Accessible Beige is decisively the brighter choice.
A 6-point LRV gap (27 vs 21) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 21), opening up a space where Sap Green encloses it.
At LRV 55 vs 21, Tranquil Dawn is decisively the brighter choice.
At LRV 44 vs 21, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 21), opening up a space where Sap Green encloses it.
At LRV 66 vs 21, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 21, Shoji White is decisively the brighter choice.
A 9-point LRV gap (21 vs 12) makes Sap Green the marginally brighter of the two.
At LRV 21 vs 8, Sap Green is decisively the brighter choice.
At LRV 68 vs 21, Skimming Stone is decisively the brighter choice.
A 9-point LRV gap (21 vs 12) makes Sap Green the marginally brighter of the two.
At LRV 45 vs 21, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 21), a gap that shows most in low-lit rooms.