diff --git a/addons/web/static/src/views/calendar/calendar_renderer.scss b/addons/web/static/src/views/calendar/calendar_renderer.scss
index f1324fd03e6d6..20f83c23f8cdc 100644
--- a/addons/web/static/src/views/calendar/calendar_renderer.scss
+++ b/addons/web/static/src/views/calendar/calendar_renderer.scss
@@ -637,7 +637,10 @@
                 --fc-bg-event-color: #{$color-subtle};
             }
 
-            &.o_event_hatched:not(.o_event_dot):not(.fc-day-grid-event), &.o_event_hatched.fc-day-grid-event .fc-bg, &.o_attendee_status_tentative:not(.o_event_dot) .fc-bg {
+            &.o_event_hatched:has(.fc-bg), &.o_attendee_status_tentative:has(.fc-bg) {
+                --fc-event-bg-color: #{$o-view-background-color};
+            }
+            &.o_event_hatched:not(.o_event_dot):not(.fc-daygrid-event):not(.fc-timegrid-event), &.o_event_hatched .fc-bg, &.o_attendee_status_tentative:not(.o_event_dot) .fc-bg {
                 background: repeating-linear-gradient(
                     45deg,
                     RGBA(to-rgb($color), .3),