diff --git a/src/models.ts b/src/models.ts
index cf18ade..e7fa3b7 100644
--- a/src/models.ts
+++ b/src/models.ts
@@ -2,3 +2,8 @@ export type Option = {
   label: string;
   value: string | number | null;
 };
+
+export type HarmonyColor = {
+  color: string;
+  ratio: number;
+};