diff --git a/frontend/less/espo/misc/timeline/timeline.less b/frontend/less/espo/misc/timeline/timeline.less
index 7d3491c363..91ac3e0667 100644
--- a/frontend/less/espo/misc/timeline/timeline.less
+++ b/frontend/less/espo/misc/timeline/timeline.less
@@ -74,8 +74,8 @@
 
 .calendar-container .timeline .vis-item,
 .calendar-container .timeline .vis-item.vis-selected {
-    border-color: var(--brand-primary-lighten-30);
-    background-color: var(--brand-primary-lighten-50);
+    border-color: var(--brand-primary-lighten-10);
+    background-color: var(--brand-primary-lighten-10);
 }
 
 .calendar-container .timeline .vis-tooltip {