Add Color.rgb property

Author: pushfoo

arcade/types.py

@@ -159,6 +159,26 @@ def b(self) -> int:
     def a(self) -> int:
         return self[3]
 
+    @property
+    def rgb(self) -> Tuple[int, int, int]:
+        """Return only a color's RGB components.
+
+        This is syntactic sugar for slice indexing as below:
+
+        .. code-block:: python
+
+            >>> from arcade.color import WHITE
+            >>> WHITE[:3]
+            (255, 255, 255)
+            # Equivalent but slower than the above
+            >>> (WHITE.r, WHITE.g, WHITE.b)
+            (255, 255, 255)
+
+        To reorder the channels as you retrieve them, see
+        :meth:`.swizzle`.
+        """
+        return self[:3]
+
     @classmethod
     def from_iterable(cls, iterable: Iterable[int]) -> Self:
         """