diff --git a/colour/models/ipt.py b/colour/models/ipt.py
index 9ba8c698d4..a986173656 100644
--- a/colour/models/ipt.py
+++ b/colour/models/ipt.py
@@ -110,9 +110,9 @@ def XYZ_to_IPT(XYZ):
 
     Examples
     --------
-    >>> XYZ = np.array([0.96907232, 1, 1.12179215])
+    >>> XYZ = np.array([0.07049534, 0.1008, 0.09558313])
     >>> XYZ_to_IPT(XYZ)  # doctest: +ELLIPSIS
-    array([ 1.0030082...,  0.0190691..., -0.0136929...])
+    array([ 0.3657112..., -0.1111479...,  0.0159474...])
     """
 
     LMS = np.dot(IPT_XYZ_TO_LMS_MATRIX, XYZ)
@@ -138,9 +138,9 @@ def IPT_to_XYZ(IPT):
 
      Examples
     --------
-    >>> IPT = np.array([1.00300825, 0.01906918, -0.01369292])
+    >>> IPT = np.array([0.36571124, -0.11114798, 0.01594746])
     >>> IPT_to_XYZ(IPT)  # doctest: +ELLIPSIS
-    array([ 0.9689994...,  0.9999576...,  1.1218432...])
+    array([ 0.0704827...,  0.1007966...,  0.0955884...])
     """
 
     LMS = np.dot(IPT_IPT_TO_LMS_MATRIX, IPT)
@@ -166,8 +166,9 @@ def IPT_hue_angle(IPT):
 
     Examples
     --------
-    >>> IPT_hue_angle(([0.96907232, 1, 1.12179215]))  # doctest: +ELLIPSIS
-    0.8427358...
+    >>> IPT = np.array([0.07049534, 0.1008, 0.09558313])
+    >>> IPT_hue_angle(IPT)  # doctest: +ELLIPSIS
+    0.7588396...
     """
 
     return np.arctan2(IPT[2], IPT[1])