fix relevance colours

app.py

@@ -89,7 +89,7 @@ def rank_to_color(rank, max_rank):
     """
     if rank > max_rank:  # Handle items without ranking
         return "#E8E8E8"  # Very light gray for unranked items
-    intensity = int(255 - (rank / max_rank) * 200)  # Darker for lower ranks
+    intensity = int(55 + (rank / max_rank) * 200)  # Darker for lower ranks
     return f"rgb({intensity}, {intensity}, {intensity})"  # Grayscale