diff --git a/packages/web-components/docs/api-report.md b/packages/web-components/docs/api-report.md
index 5ebf7c5ced4e5..577d1a4604d7a 100644
--- a/packages/web-components/docs/api-report.md
+++ b/packages/web-components/docs/api-report.md
@@ -285,6 +285,7 @@ export interface DesignSystem {
     disabledOpacity: number;
     elevatedCornerRadius?: number;
     focusOutlineWidth: number;
+    neutralBaseColor: string;
     // (undocumented)
     neutralContrastFillActiveDelta: number;
     // (undocumented)
@@ -444,15 +445,12 @@ export class FluentButton extends Button {
 }
 
 // @public
-export class FluentCard extends DesignSystemProvider implements Pick<DesignSystem, 'backgroundColor' | 'neutralPalette'> {
-    backgroundColor: string;
+export class FluentCard extends FluentDesignSystemProvider {
     cardBackgroundColor: string;
     // (undocumented)
     connectedCallback(): void;
     // @internal (undocumented)
     handleChange(source: DesignSystem, name: string): void;
-    // @internal
-    neutralPalette: string[];
 }
 
 // @public
@@ -467,6 +465,8 @@ export class FluentDesignSystemProvider extends DesignSystemProvider implements
     // (undocumented)
     accentBaseColor: string;
     // (undocumented)
+    protected accentBaseColorChanged(oldValue: string, newValue: string): void;
+    // (undocumented)
     accentFillActiveDelta: number;
     // (undocumented)
     accentFillFocusDelta: number;
@@ -511,6 +511,10 @@ export class FluentDesignSystemProvider extends DesignSystemProvider implements
     elevatedCornerRadius: number;
     // (undocumented)
     focusOutlineWidth: number;
+    // (undocumented)
+    neutralBaseColor: string;
+    // (undocumented)
+    protected neutralBaseColorChanged(oldValue: string, newValue: string): void;
     neutralContrastFillActiveDelta: number;
     neutralContrastFillFocusDelta: number;
     neutralContrastFillHoverDelta: number;