diff --git a/src/swatch_scheme.ts b/src/swatch_scheme.ts
index fce9e49..788cf03 100644
--- a/src/swatch_scheme.ts
+++ b/src/swatch_scheme.ts
@@ -5,9 +5,16 @@ export type SwatchScheme = {
   dark: Record<string, string[]>;
 };
 
+export type QSwatchEntry = {
+  [P in keyof SwatchEntry]: SwatchEntry[P];
+};
+export type QSwatchSchemeSetting = {
+  [P in keyof SwatchSchemeSetting]: SwatchSchemeSetting[P];
+};
+
 export type SwatchSchemeSource = {
-  colors: SwatchEntry[];
-  setting: SwatchSchemeSetting | null;
+  colors: QSwatchEntry[];
+  setting: QSwatchSchemeSetting | null;
 };
 
 export type SwatchSchemeStorage = {