update

Author: AAriam

pyproject.toml

@@ -15,11 +15,11 @@ namespaces = true
 
 # ----------------------------------------- Project Metadata -------------------------------------
 [project]
-version = "0.0.0.dev4"
+version = "0.0.0.dev5"
 name = "PyColorIT"
 requires-python = ">=3.10"
 dependencies = [
     "numpy",
-    "PkgData",
+    "PkgData == 0.0.0.dev3",
     "ipython",
 ]

src/pycolorit/gradient.py

@@ -1,10 +1,13 @@
 """Create color gradients."""
+from __future__ import annotations
+
+from typing import Literal as _Literal, Sequence as _Sequence, TYPE_CHECKING as _TYPE_CHECKING
 
-from typing import Literal as _Literal, Sequence as _Sequence
 
 import numpy as _np
 
 from pycolorit.color import RGBColor as _RGBColor
+from pycolorit import color as _color
 
 
 def interpolate(
@@ -47,6 +50,10 @@ def interpolate(
         Gradient colors starting with `color_start`.
     """
     explicit_alpha = multipliers and len(multipliers) == 4
+    if not isinstance(color_start, _RGBColor):
+        color_start = _color.css(str(color_start))
+    if not isinstance(color_end, _RGBColor):
+        color_end = _color.css(str(color_end))
     c1 = color_start.array(
         system=system,
         hue_wrap=hue_wrap,