diff --git a/trussme/truss.py b/trussme/truss.py
index 9d26d2c..4ce10d3 100644
--- a/trussme/truss.py
+++ b/trussme/truss.py
@@ -97,9 +97,7 @@ def fos_yielding(self) -> float:
     @property
     def fos_buckling(self) -> float:
         """float: Smallest buckling FOS of any member in the truss"""
-        return min(
-            [m.fos_buckling if m.fos_buckling > 0 else numpy.inf for m in self.members]
-        )
+        return min([m.fos_buckling for m in self.members])
 
     @property
     def fos(self) -> float:
diff --git a/trussme/visualize.py b/trussme/visualize.py
index 828f2a2..b621518 100644
--- a/trussme/visualize.py
+++ b/trussme/visualize.py
@@ -51,7 +51,7 @@ def plot_truss(
 
     force_colormap = matplotlib.colors.LinearSegmentedColormap.from_list(
         "force",
-        numpy.array([[1.0, 0.0, 0.0], [0.7, 0.7, 0.7], [0.0, 0.0, 1.0]]),
+        numpy.array([[1.0, 0.0, 0.0], [0.8, 0.8, 0.8], [0.0, 0.0, 1.0]]),
     )
 
     for member in truss.members:
@@ -81,7 +81,7 @@ def plot_truss(
                 else "r"
             )
         elif deflected_shape == "force":
-            color = matplotlib.pyplot.cm.bwr(member.force / (2 * scaler) + 0.5)
+            color = force_colormap(member.force / (2 * scaler) + 0.5)
         elif deflected_shape is None:
             break
         else: