Backport PR #26598: FIX: array labelcolor for Tick

ksunden · meeseeksmachine · commit 7b84f265b6b4 · 2023-08-28T19:01:24.000Z
diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
@@ -122,7 +122,7 @@ def __init__(
         if labelcolor is None:
             labelcolor = mpl.rcParams[f"{name}.labelcolor"]
 
-        if labelcolor == 'inherit':
+        if cbook._str_equal(labelcolor, 'inherit'):
             # inherit from tick color
             labelcolor = mpl.rcParams[f"{name}.color"]
 
diff --git a/lib/matplotlib/tests/test_axis.py b/lib/matplotlib/tests/test_axis.py
@@ -0,0 +1,10 @@
+import numpy as np
+
+import matplotlib.pyplot as plt
+from matplotlib.axis import XTick
+
+
+def test_tick_labelcolor_array():
+    # Smoke test that we can instantiate a Tick with labelcolor as array.
+    ax = plt.axes()
+    XTick(ax, 0, labelcolor=np.array([1, 0, 0, 1]))
