Fix the range of RGB values

optuna · Dec 6, 2023 · d093d2f · d093d2f
1 parent baf52b4
commit d093d2f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/optuna/visualization/_rank.py b/optuna/visualization/_rank.py
@@ -436,5 +436,5 @@ def _convert_color_idxs_to_scaled_rgb_colors(color_idxs: np.ndarray) -> np.ndarr
     else:
         cmap = matplotlib_plt.get_cmap(colormap)
         colors = cmap(color_idxs)[:, :3]  # Drop alpha values.
-        rgb_colors = np.asarray(colors * 256, dtype=int)
+        rgb_colors = np.asarray(colors * 255, dtype=int)
         return rgb_colors