Phthalo Green vs Festival Green
Where Phthalo Green belongs to Little Greene's range, Festival Green is a Sherwin-Williams color. These are both greens, so the question isn't which hue to choose — it's where within green to land. Phthalo Green (LRV 46) reflects noticeably more light than Festival Green (LRV 30), a difference of 15 points that becomes especially apparent in rooms with limited natural light. Phthalo Green runs green while Festival Green is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 17.5, 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
Phthalo Green vs Festival Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Phthalo Green on one side and Festival 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 Phthalo Green comparisons
See how Phthalo Green stacks up against other well-photographed colors across different brands and tones.
