diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
index 584e12461d6d..ebf03f7bf20f 100644
--- a/lib/mpl_toolkits/mplot3d/axes3d.py
+++ b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -2507,13 +2507,15 @@ def bar3d(self, x, y, z, dx, dy, dz, color=None,
if color is None:
color = [self._get_patches_for_fill.get_next_color()]
+ color = list(mcolors.to_rgba_array(color))
+
if len(color) == len(x):
# bar colors specified, need to expand to number of faces
for c in color:
facecolors.extend([c] * 6)
else:
# a single color specified, or face colors specified explicitly
- facecolors = list(mcolors.to_rgba_array(color))
+ facecolors = color
if len(facecolors) < len(x):
facecolors *= (6 * len(x))
diff --git a/lib/mpl_toolkits/tests/test_mplot3d.py b/lib/mpl_toolkits/tests/test_mplot3d.py
index fcc225053632..37532335e38d 100644
--- a/lib/mpl_toolkits/tests/test_mplot3d.py
+++ b/lib/mpl_toolkits/tests/test_mplot3d.py
@@ -36,6 +36,18 @@ def test_bar3d():
ax.bar(xs, ys, zs=z, zdir='y', align='edge', color=cs, alpha=0.8)
+def test_bar3d_colors():
+ fig = plt.figure()
+ ax = fig.add_subplot(111, projection='3d')
+ for c in ['red', 'green', 'blue', 'yellow']:
+ xs = np.arange(len(c))
+ ys = np.zeros_like(xs)
+ zs = np.zeros_like(ys)
+ # Color names with same length as xs/ys/zs should not be split into
+ # individual letters.
+ ax.bar3d(xs, ys, zs, 1, 1, 1, color=c)
+
+
@mpl3d_image_comparison(['bar3d_shaded.png'])
def test_bar3d_shaded():
x = np.arange(4)
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