diff --git a/src/templates.ts b/src/templates.ts
index 6a43d34a..9bcf0473 100644
--- a/src/templates.ts
+++ b/src/templates.ts
@@ -114,7 +114,7 @@ type Color = Exclude<keyof typeof colors, 'inherit' | 'current' | 'transparent'
 
 type AppConfigUI = {
   colors?: {
-    ${options.theme?.colors?.map(color => `${color}?: Color`).join('\n\t\t')}
+    ${options.theme?.colors?.map(color => `'${color}'?: Color`).join('\n\t\t')}
     neutral?: NeutralColor
   }
   icons?: Partial<typeof icons>