diff --git a/src/module.ts b/src/module.ts
index 98125e69..8d200aa9 100644
--- a/src/module.ts
+++ b/src/module.ts
@@ -32,7 +32,7 @@ export default defineNuxtModule<ModuleOptions>({
   async setup(options, nuxt) {
     const { resolve } = createResolver(import.meta.url)
 
-    options.colors = options.colors?.length ? ['primary', ...options.colors] : ['primary', 'red', 'orange', 'amber', 'yellow', 'lime', 'green', 'emerald', 'teal', 'cyan', 'sky', 'blue', 'indigo', 'violet', 'purple', 'fuchia', 'pink', 'rose']
+    options.colors = options.colors?.length ? [...new Set(['primary', ...options.colors])] : ['primary', 'red', 'orange', 'amber', 'yellow', 'lime', 'green', 'emerald', 'teal', 'cyan', 'sky', 'blue', 'indigo', 'violet', 'purple', 'fuchia', 'pink', 'rose']
 
     nuxt.options.ui = options