Fix string color (#3922)

reflex/vars/base.py

@@ -1067,6 +1067,10 @@ class LiteralVar(Var):
                     _var_type=type(value),
                     _var_data=_var_data,
                 )
+            if isinstance(serialized_value, str):
+                return LiteralStringVar.create(
+                    serialized_value, _var_type=type(value), _var_data=_var_data
+                )
             return LiteralVar.create(serialized_value, _var_data=_var_data)
 
         if dataclasses.is_dataclass(value) and not isinstance(value, type):

reflex/vars/sequence.py

@@ -553,12 +553,14 @@ class LiteralStringVar(LiteralVar, StringVar):
     def create(
         cls,
         value: str,
+        _var_type: GenericType | None = str,
         _var_data: VarData | None = None,
     ) -> StringVar:
         """Create a var from a string value.
 
         Args:
             value: The value to create the var from.
+            _var_type: The type of the var.
             _var_data: Additional hooks and imports associated with the Var.
 
         Returns:
@@ -591,18 +593,27 @@ class LiteralStringVar(LiteralVar, StringVar):
             filtered_strings_and_vals = [
                 s for s in strings_and_vals if isinstance(s, Var) or s
             ]
-
             if len(filtered_strings_and_vals) == 1:
-                return LiteralVar.create(filtered_strings_and_vals[0]).to(StringVar)
+                only_string = filtered_strings_and_vals[0]
+                if isinstance(only_string, str):
+                    return LiteralVar.create(only_string).to(StringVar, _var_type)
+                else:
+                    return only_string.to(StringVar, only_string._var_type)
 
-            return ConcatVarOperation.create(
+            concat_result = ConcatVarOperation.create(
                 *filtered_strings_and_vals,
                 _var_data=_var_data,
             )
 
+            return (
+                concat_result
+                if _var_type is str
+                else concat_result.to(StringVar, _var_type)
+            )
+
         return LiteralStringVar(
             _js_expr=json.dumps(value),
-            _var_type=str,
+            _var_type=_var_type,
             _var_data=_var_data,
             _var_value=value,
         )

tests/components/core/test_colors.py

@@ -1,3 +1,5 @@
+from typing import Type, Union
+
 import pytest
 
 import reflex as rx
@@ -22,44 +24,45 @@ def create_color_var(color):
 
 
 @pytest.mark.parametrize(
-    "color, expected",
+    "color, expected, expected_type",
     [
-        (create_color_var(rx.color("mint")), '"var(--mint-7)"'),
+        (create_color_var(rx.color("mint")), '"var(--mint-7)"', Color),
-        (create_color_var(rx.color("mint", 3)), '"var(--mint-3)"'),
+        (create_color_var(rx.color("mint", 3)), '"var(--mint-3)"', Color),
-        (create_color_var(rx.color("mint", 3, True)), '"var(--mint-a3)"'),
+        (create_color_var(rx.color("mint", 3, True)), '"var(--mint-a3)"', Color),
         (
             create_color_var(rx.color(ColorState.color, ColorState.shade)),  # type: ignore
             f'("var(--"+{str(color_state_name)}.color+"-"+{str(color_state_name)}.shade+")")',
+            Color,
         ),
         (
             create_color_var(rx.color(f"{ColorState.color}", f"{ColorState.shade}")),  # type: ignore
             f'("var(--"+{str(color_state_name)}.color+"-"+{str(color_state_name)}.shade+")")',
+            Color,
         ),
         (
             create_color_var(
                 rx.color(f"{ColorState.color_part}ato", f"{ColorState.shade}")  # type: ignore
             ),
             f'("var(--"+{str(color_state_name)}.color_part+"ato-"+{str(color_state_name)}.shade+")")',
+            Color,
         ),
         (
             create_color_var(f'{rx.color(ColorState.color, f"{ColorState.shade}")}'),  # type: ignore
             f'("var(--"+{str(color_state_name)}.color+"-"+{str(color_state_name)}.shade+")")',
+            str,
         ),
         (
             create_color_var(
                 f'{rx.color(f"{ColorState.color}", f"{ColorState.shade}")}'  # type: ignore
             ),
             f'("var(--"+{str(color_state_name)}.color+"-"+{str(color_state_name)}.shade+")")',
+            str,
         ),
     ],
 )
-def test_color(color, expected):
+def test_color(color, expected, expected_type: Union[Type[str], Type[Color]]):
-    assert color._var_type is str
+    assert color._var_type is expected_type
     assert str(color) == expected
-    if color._var_type == Color:
-        assert str(color) == f"{{`{expected}`}}"
-    else:
-        assert str(color) == expected
 
 
 @pytest.mark.parametrize(