diff --git a/src/Utils/index.ts b/src/Utils/index.ts
index 8911b49..17c969f 100644
--- a/src/Utils/index.ts
+++ b/src/Utils/index.ts
@@ -7,22 +7,22 @@ const countDecimals = (value) => {
 
 const generateColorShades = (
   colors: { [key: string]: string },
-  options: {
+  options?: {
     keyList?: string[];
     opacities?: number[];
     outputType: "obj" | "cssVars";
   }
 ) => {
-  const colorKeys = options.keyList
-    ? Object.keys(colors)
-    : Object.keys(colors).filter((key) => options.keyList?.includes(key));
+  const colorKeys = options?.keyList
+    ? Object.keys(colors).filter((key) => options.keyList?.includes(key))
+    : Object.keys(colors);
 
   const generatedColorShadesArr: object[] = [];
 
   colorKeys.forEach((key) => {
     const colorString = colors[key];
 
-    const opacities = options.opacities
+    const opacities = options?.opacities
       ? options.opacities
       : [0.1, 0.25, 0.5, 0.75];