diff --git a/src/plugin/utils.ts b/src/plugin/utils.ts
index dd953fc..6988d6d 100644
--- a/src/plugin/utils.ts
+++ b/src/plugin/utils.ts
@@ -261,5 +261,7 @@ export function ensureArray<T>(arr: T): T extends any[] ? T : T[] {
 }
 
 export function pColor(color: string) {
-    return core.arrayToRGBA(parseColor(color));
+    const arr = parseColor(color);
+    arr[3] ??= 1;
+    return `rgba(${arr.join(',')})`;
 }