Change colormap to PiYG

src/results.py

@@ -98,7 +98,7 @@ def display_tab(tab, df, task, hide_std_errors=True, show_only_differences=False
         ]
     ]  # Apply only on numeric cells, otherwise the background gradient will not work
     subset = idx[colored_rows, idx[:]]
-    df.background_gradient(cmap="Greens", vmin=0, vmax=1, subset=subset, axis=None)
+    df.background_gradient(cmap="PiYG", vmin=0, vmax=1, subset=subset, axis=None)
     # Format index values: remove prefix and suffix
     start = len(f"{tab}.leaderboard_") if task == "All" else len(f"{tab}.{task} ")
     df.format_index(lambda idx: idx[start:].removesuffix(",none"), axis="index")