diff --git a/colour/difference/__init__.py b/colour/difference/__init__.py
index 8abf5a00d..e9f12fa0d 100644
--- a/colour/difference/__init__.py
+++ b/colour/difference/__init__.py
@@ -34,7 +34,7 @@
 
 from __future__ import annotations
 
-from colour.hints import Any, ArrayLike, NDArrayFloat, Literal
+from colour.hints import Any, ArrayLike, NDArrayFloat, LiteralDeltaEMethod
 from colour.utilities import (
     CanonicalMapping,
     filter_kwargs,
@@ -127,24 +127,7 @@
 def delta_E(
     a: ArrayLike,
     b: ArrayLike,
-    method: (
-        Literal[
-            "CIE 1976",
-            "CIE 1994",
-            "CIE 2000",
-            "CMC",
-            "ITP",
-            "CAM02-LCD",
-            "CAM02-SCD",
-            "CAM02-UCS",
-            "CAM16-LCD",
-            "CAM16-SCD",
-            "CAM16-UCS",
-            "DIN99",
-            "HyAB",
-        ]
-        | str
-    ) = "CIE 2000",
+    method: LiteralDeltaEMethod | str = "CIE 2000",
     **kwargs: Any,
 ) -> NDArrayFloat:
     """
diff --git a/colour/hints/__init__.py b/colour/hints/__init__.py
index b4b2ba5b8..ad923ccea 100644
--- a/colour/hints/__init__.py
+++ b/colour/hints/__init__.py
@@ -207,6 +207,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "Von Kries",
     "XYZ Scaling",
 ]
+
 LiteralColourspaceModel = Literal[
     "CAM02LCD",
     "CAM02SCD",
@@ -245,6 +246,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "hdr-CIELAB",
     "hdr-IPT",
 ]
+
 LiteralRGBColourspace = Literal[
     "ACES2065-1",
     "ACEScc",
@@ -315,6 +317,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "prophoto",
     "sRGB",
 ]
+
 LiteralLogEncoding = Literal[
     "ACEScc",
     "ACEScct",
@@ -348,6 +351,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "V-Log",
     "ViperLog",
 ]
+
 LiteralLogDecoding = Literal[
     "ACEScc",
     "ACEScct",
@@ -381,6 +385,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "V-Log",
     "ViperLog",
 ]
+
 LiteralOETF = Literal[
     "ARIB STD-B67",
     "Blackmagic Film Generation 5",
@@ -395,6 +400,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "ITU-T H.273 Log Sqrt",
     "SMPTE 240M",
 ]
+
 LiteralOETFInverse = Literal[
     "ARIB STD-B67",
     "Blackmagic Film Generation 5",
@@ -408,6 +414,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "ITU-T H.273 Log",
     "ITU-T H.273 Log Sqrt",
 ]
+
 LiteralEOTF = Literal[
     "DCDM",
     "DICOM GSDF",
@@ -419,6 +426,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "ST 2084",
     "sRGB",
 ]
+
 LiteralEOTFInverse = Literal[
     "DCDM",
     "DICOM GSDF",
@@ -429,6 +437,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "ST 2084",
     "sRGB",
 ]
+
 LiteralCCTFEncoding = Literal[
     "ACEScc",
     "ACEScct",
@@ -486,6 +495,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "ViperLog",
     "sRGB",
 ]
+
 LiteralCCTFDecoding = Literal[
     "ACEScc",
     "ACEScct",
@@ -543,8 +553,11 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "ViperLog",
     "sRGB",
 ]
+
 LiteralOOTF = Literal["ITU-R BT.2100 HLG", "ITU-R BT.2100 PQ"]
+
 LiteralOOTFInverse = Literal["ITU-R BT.2100 HLG", "ITU-R BT.2100 PQ"]
+
 LiteralLUTReadMethod = Literal[
     "Cinespace",
     "Iridas Cube",
@@ -553,6 +566,7 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "Sony SPI3D",
     "Sony SPImtx",
 ]
+
 LiteralLUTWriteMethod = Literal[
     "Cinespace",
     "Iridas Cube",
@@ -561,6 +575,26 @@ def apply(self, RGB: ArrayLike, **kwargs: Any) -> NDArray:  # noqa: D102
     "Sony SPI3D",
     "Sony SPImtx",
 ]
+
+LiteralDeltaEMethod = Literal[
+    "CAM02-LCD",
+    "CAM02-SCD",
+    "CAM02-UCS",
+    "CAM16-LCD",
+    "CAM16-SCD",
+    "CAM16-UCS",
+    "CIE 1976",
+    "CIE 1994",
+    "CIE 2000",
+    "CMC",
+    "DIN99",
+    "HyAB",
+    "ITP",
+    "cie1976",
+    "cie1994",
+    "cie2000",
+]
+
 LiteralFontScaling = Literal[
     "xx-small",
     "x-small",
diff --git a/colour/utilities/array.py b/colour/utilities/array.py
index 97773d64c..4057dac22 100644
--- a/colour/utilities/array.py
+++ b/colour/utilities/array.py
@@ -2232,13 +2232,7 @@ def tsplit(
 
     a = as_array(a, dtype)
 
-    if a.ndim <= 2:
-        return np.transpose(a)
-
-    return np.transpose(
-        a,
-        np.concatenate([[a.ndim - 1], np.arange(0, a.ndim - 1)]),
-    )
+    return np.array([a[..., x] for x in range(a.shape[-1])])
 
 
 def row_as_diagonal(a: ArrayLike) -> NDArray:
diff --git a/docs/colour.hints.rst b/docs/colour.hints.rst
index f107c3c2d..5771b9b9a 100644
--- a/docs/colour.hints.rst
+++ b/docs/colour.hints.rst
@@ -70,7 +70,5 @@ Annotation Type Hints
     LiteralOOTFInverse
     LiteralLUTReadMethod
     LiteralLUTWriteMethod
-
-
-
+    LiteralDeltaEMethod
     LiteralFontScaling
diff --git a/utilities/literalise.py b/utilities/literalise.py
index b071099e8..e7f6b700c 100755
--- a/utilities/literalise.py
+++ b/utilities/literalise.py
@@ -59,20 +59,37 @@ def literalise(path_module_hints: str = PATH_MODULE_HINTS):
             # LITERALISE::BEGIN
             LiteralChromaticAdaptationTransform = \
                 Literal{sorted(colour.CHROMATIC_ADAPTATION_TRANSFORMS)}
+
             LiteralColourspaceModel = Literal{sorted(colour.COLOURSPACE_MODELS)}
+
             LiteralRGBColourspace = Literal{sorted(colour.RGB_COLOURSPACES.keys())}
+
             LiteralLogEncoding = Literal{sorted(colour.LOG_ENCODINGS)}
+
             LiteralLogDecoding = Literal{sorted(colour.LOG_DECODINGS)}
+
             LiteralOETF = Literal{sorted(colour.OETFS)}
+
             LiteralOETFInverse = Literal{sorted(colour.OETF_INVERSES)}
+
             LiteralEOTF = Literal{sorted(colour.EOTFS)}
+
             LiteralEOTFInverse = Literal{sorted(colour.EOTF_INVERSES)}
+
             LiteralCCTFEncoding = Literal{sorted(colour.CCTF_ENCODINGS)}
+
             LiteralCCTFDecoding = Literal{sorted(colour.CCTF_DECODINGS)}
+
             LiteralOOTF = Literal{sorted(colour.OOTFS)}
+
             LiteralOOTFInverse = Literal{sorted(colour.OOTF_INVERSES)}
+
             LiteralLUTReadMethod = Literal{sorted(colour.io.LUT_READ_METHODS)}
+
             LiteralLUTWriteMethod = Literal{sorted(colour.io.LUT_WRITE_METHODS)}
+
+            LiteralDeltaEMethod = Literal{sorted(colour.DELTA_E_METHODS)}
+
             LiteralFontScaling = Literal{font_scalings}
             # LITERALISE::END
             """