Removed CheckboxListTile accentColor dependency (#76908)

packages/flutter/lib/src/material/checkbox_list_tile.dart

@@ -26,9 +26,10 @@ import 'theme_data.dart';
 /// those of the same name on [ListTile].
 ///
 /// The [selected] property on this widget is similar to the [ListTile.selected]
-/// property, but the color used is that described by [activeColor], if any,
+/// property. This tile's [activeColor] is used for the selected item's text color, or
-/// defaulting to the accent color of the current [Theme]. No effort is made to
+/// the theme's [ThemeData.toggleableActiveColor] if [activeColor] is null.
-/// coordinate the [selected] state and the [value] state; to have the list tile
+///
+/// This widget does not coordinate the [selected] state and the [value] state; to have the list tile
 /// appear selected when the checkbox is checked, pass the same value to both.
 ///
 /// The checkbox is shown on the right by default in left-to-right languages
@@ -432,7 +433,7 @@ class CheckboxListTile extends StatelessWidget {
     }
     return MergeSemantics(
       child: ListTileTheme.merge(
-        selectedColor: activeColor ?? Theme.of(context).accentColor,
+        selectedColor: activeColor ?? Theme.of(context).toggleableActiveColor,
         child: ListTile(
           leading: leading,
           title: title,

packages/flutter/test/material/checkbox_list_tile_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
 
 import '../rendering/mock_canvas.dart';
 
@@ -283,4 +284,39 @@ void main() {
 
     expect(find.byType(Material), paints..path(color: selectedTileColor));
   });
+
+  testWidgets('CheckboxListTile selected item text Color', (WidgetTester tester) async {
+    // Regression test for https://github.com/flutter/flutter/pull/76908
+
+    const Color activeColor = Color(0xff00ff00);
+
+    Widget buildFrame({ Color? activeColor, Color? toggleableActiveColor }) {
+      return MaterialApp(
+        theme: ThemeData.light().copyWith(
+          toggleableActiveColor: toggleableActiveColor,
+        ),
+        home: Scaffold(
+          body: Center(
+            child: CheckboxListTile(
+              activeColor: activeColor,
+              selected: true,
+              title: const Text('title'),
+              value: true,
+              onChanged: (bool? value) { },
+            ),
+          ),
+        ),
+      );
+    }
+
+    Color? textColor(String text) {
+      return tester.renderObject<RenderParagraph>(find.text(text)).text.style?.color;
+    }
+
+    await tester.pumpWidget(buildFrame(toggleableActiveColor: activeColor));
+    expect(textColor('title'), activeColor);
+
+    await tester.pumpWidget(buildFrame(activeColor: activeColor));
+    expect(textColor('title'), activeColor);
+  });
 }