diff --git a/addons/calendar/static/src/scss/calendar.scss b/addons/calendar/static/src/scss/calendar.scss
index 8293a928a09..d721173f5b5 100644
--- a/addons/calendar/static/src/scss/calendar.scss
+++ b/addons/calendar/static/src/scss/calendar.scss
@@ -44,18 +44,6 @@
         &.o_attendee_status_declined {
             --o-bg-opacity: 0;
         }
-
-        &.o_attendee_status_tentative, &.o_event_hatched {
-            .fc-bg {
-                background: repeating-linear-gradient(
-                    45deg,
-                    RGBA(var(--o-event-bg-rgb, #{to-rgb($info)}), .3),
-                    RGBA(var(--o-event-bg-rgb, #{to-rgb($info)}), .3) 10px,
-                    RGBA(var(--o-event-bg-rgb, #{to-rgb($info)}), .6) 10px,
-                    RGBA(var(--o-event-bg-rgb, #{to-rgb($info)}), .6) 20px
-                ) !important;
-            }
-        }
     }
 
     &.o_event_dot {
diff --git a/addons/web/static/src/views/calendar/calendar_renderer.scss b/addons/web/static/src/views/calendar/calendar_renderer.scss
index 8de6e88c7fc..60eddd370b4 100644
--- a/addons/web/static/src/views/calendar/calendar_renderer.scss
+++ b/addons/web/static/src/views/calendar/calendar_renderer.scss
@@ -597,6 +597,23 @@
                 background-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 {
+                background: repeating-linear-gradient(
+                    45deg,
+                    RGBA(to-rgb($color), .3),
+                    RGBA(to-rgb($color), .3) 10px,
+                    RGBA(to-rgb($color), .6) 10px,
+                    RGBA(to-rgb($color), .6) 20px
+                ) !important;
+            }
+
+            &.o_event_striked:not(.o_event_dot) {
+                background: linear-gradient(
+                    transparent 0 45%,
+                    $color 45% 55%,
+                    transparent 55% 100%);
+            }
+
             &.fc-event:not(.o_event_dot):not(.fc-dragging) {
                 color: color-contrast($color-subtle);
                 border-color: tint-color($color, 50%);