diff --git a/frontend/src/js/background_scene.ts b/frontend/src/js/background_scene.ts
index d532b7542a283ce762746b36d2d3bef4f7ece9bb..f04ef4d79ce6ec02957a7f233b45d010129b17d2 100644
--- a/frontend/src/js/background_scene.ts
+++ b/frontend/src/js/background_scene.ts
@@ -18,13 +18,13 @@ const LAYERS = {
 
 // prettier-ignore
 const HSL_COLORS = [
-  ["#170048", "#fbb468"], // 06:00
+  ["#674f9e", "#fbb468"], // 06:00
   ["#ffefd6", "#b8ffc7"], // 09:00
   ["#ffffff", "#ffffff"], // 12:00
-  ["#fff9b8", "#b0ff88"], // 15:00
-  ["#def3ff", "#77e176"], // 18:00
-  ["#f490ff", "#fdbf7d"], // 21:00
-  ["#474095", "#2d912d"], // 00:00
+  ["#fff9b8", "#b3fa8f"], // 15:00
+  ["#def3ff", "#97e095"], // 18:00
+  ["#e790ff", "#fd9f7d"], // 21:00
+  ["#474095", "#369f62"], // 00:00
   ["#ff1111", "#ff9bc0"], // 03:00
 ]