diff --git a/hui/src/frame/impls.rs b/hui/src/frame/impls.rs
index 7a0c41a..fc0d0e7 100644
--- a/hui/src/frame/impls.rs
+++ b/hui/src/frame/impls.rs
@@ -25,6 +25,9 @@ impl Frame for ImageHandle {
 
 impl Frame for FillColor {
   fn draw(&self, draw: &mut UiDrawCommandList, rect: Rect) {
+    if self.is_transparent() {
+      return
+    }
     draw.add(UiDrawCommand::Rectangle {
       position: rect.position,
       size: rect.size,
diff --git a/hui/src/frame/rect.rs b/hui/src/frame/rect.rs
index 1170360..d6e5d5e 100644
--- a/hui/src/frame/rect.rs
+++ b/hui/src/frame/rect.rs
@@ -116,6 +116,9 @@ impl Default for RectFrame {
 
 impl Frame for RectFrame {
   fn draw(&self, draw: &mut UiDrawCommandList, rect: Rect) {
+    if self.color.is_transparent() {
+      return
+    }
     //TODO: handle bottom_right < top_left
     let top_left = self.top_left.resolve(rect.size);
     let bottom_right = self.bottom_right.resolve(rect.size);