diff --git a/autoarray/plot/wrap/two_d/grid_plot.py b/autoarray/plot/wrap/two_d/grid_plot.py
index c63a99216..e415a7476 100644
--- a/autoarray/plot/wrap/two_d/grid_plot.py
+++ b/autoarray/plot/wrap/two_d/grid_plot.py
@@ -98,7 +98,11 @@ def plot_grid_list(self, grid_list: Union[List[Grid2D], List[Grid2DIrregular]]):
         config_dict.pop("c")
 
         try:
-            for grid in grid_list:
-                plt.plot(grid[:, 1], grid[:, 0], c=next(color), **config_dict)
+            # for critical curves/caustics, grid_list[0] corresponds to tangential curves
+            # and grid_list[1] corresponds to radial curves
+            for i in range(len(grid_list)):
+                color_i = next(color)  # one color for all tangential curves and another color for all radial curves
+                for grid in grid_list[i]:
+                    plt.plot(grid[:, 1], grid[:, 0], c=color_i, **config_dict)
         except IndexError:
             pass