diff --git a/frontend/app/components/parts/AnimatedBackground.vue b/frontend/app/components/parts/AnimatedBackground.vue
index ba2e791..db3b04e 100644
--- a/frontend/app/components/parts/AnimatedBackground.vue
+++ b/frontend/app/components/parts/AnimatedBackground.vue
@@ -115,7 +115,7 @@ function drawTuiParticle(x: number, y: number, size: number, r: number, g: numbe
 function drawBgParticle(x: number, y: number, size: number, r: number, g: number, b: number) {
   if (!ctx) return
 
-  ctx.fillStyle = `rgba(${r},${g},${b},0.3)`
+  ctx.fillStyle = `rgba(${r},${g},${b},0.7)`
   ctx.fillRect(Math.round(x - size / 2), Math.round(y - size / 2), size, size)
 }
 
diff --git a/frontend/app/components/widgets/Place.vue b/frontend/app/components/widgets/Place.vue
index 27de5df..52681f7 100644
--- a/frontend/app/components/widgets/Place.vue
+++ b/frontend/app/components/widgets/Place.vue
@@ -71,8 +71,8 @@ const palette = [
 ]
 
 const colorMap = ref({})
-const selectedColor = ref(palette[0])
-const selectedColorId = ref(0)
+const selectedColor = ref(null)
+const selectedColorId = ref(null)
 
 const { get, post } = useApi();
 const { initSocket, onGridCellPaint, removeGridCellPaintListener } = useSocket();