Update app.py

app.py

@@ -54,7 +54,7 @@ def draw_grid(data, highlight_coords=None):
     ax.grid(True)
 
     # Draw roads with a specified grey color
-    road_color = "#B0B0B0"  # Light grey; change to "#505050" for dark grey
+    road_color = "#606060"  # Light grey; change to "#505050" for dark grey
     for road in data.get('roads', []):  # Check for roads in the data
         start, end = road['start'], road['end']
         # Determine if the road is vertical or horizontal based on start and end coordinates