diff --git a/apps/client/src/common/components/view-params-editor/ParamInput.module.scss b/apps/client/src/common/components/view-params-editor/ParamInput.module.scss
index 63a3a1797..fd5fa2ae6 100644
--- a/apps/client/src/common/components/view-params-editor/ParamInput.module.scss
+++ b/apps/client/src/common/components/view-params-editor/ParamInput.module.scss
@@ -32,11 +32,11 @@
     margin-left: 0.25rem;
     width: 0.75em;
     height: 0.75em;
-    background: var(--user-bg);
+    background: var(--user-bg, $gray-900);
     border-radius: 50%;
   }
 }
 
 .empty {
   color: $ui-white;
-}
\ No newline at end of file
+}
diff --git a/apps/client/src/common/components/view-params-editor/viewParams.utils.ts b/apps/client/src/common/components/view-params-editor/viewParams.utils.ts
index 483d5057c..0a4052d29 100644
--- a/apps/client/src/common/components/view-params-editor/viewParams.utils.ts
+++ b/apps/client/src/common/components/view-params-editor/viewParams.utils.ts
@@ -46,7 +46,7 @@ export function makeCustomFieldSelectOptions(customFields: CustomFields, filterI
     options.push({
       value: key,
       label: value.label,
-      colour: value.colour || 'transparent',
+      colour: value.colour,
     });
   }
 
diff --git a/apps/client/src/common/hooks/useLongPress.ts b/apps/client/src/common/hooks/useLongPress.ts
new file mode 100644
index 000000000..fb5bfec39
--- /dev/null
+++ b/apps/client/src/common/hooks/useLongPress.ts
@@ -0,0 +1,95 @@
+import React, { useEffect, useMemo, useRef } from 'react';
+
+import { throttle } from '../utils/throttle';
+
+export interface UseLongPressOptions {
+  /** Time in milliseconds to trigger the long press, default is 400ms */
+  threshold?: number;
+
+  /** Callback triggered when the long press starts */
+  onStart?: (event: React.MouseEvent | React.TouchEvent) => void;
+
+  /** Callback triggered when the long press finishes */
+  onFinish?: (event: React.MouseEvent | React.TouchEvent) => void;
+
+  /** Callback triggered when the long press is canceled */
+  onCancel?: (event: React.MouseEvent | React.TouchEvent) => void;
+}
+
+export interface UseLongPressReturnValue {
+  onMouseDown: (event: React.MouseEvent) => void;
+  onMouseUp: (event: React.MouseEvent) => void;
+  onMouseLeave: (event: React.MouseEvent) => void;
+  onTouchStart: (event: React.TouchEvent) => void;
+  onTouchEnd: (event: React.TouchEvent) => void;
+}
+
+export function useLongPress(
+  onLongPress: (event: React.MouseEvent | React.TouchEvent) => void,
+  options: UseLongPressOptions = {},
+): UseLongPressReturnValue {
+  const { threshold = 700, onStart, onFinish, onCancel } = options;
+  const isLongPressActive = useRef(false);
+  const isPressed = useRef(false);
+  const timeout = useRef<number>(-1);
+
+  useEffect(() => () => window.clearTimeout(timeout.current), []);
+
+  return useMemo(() => {
+    if (typeof onLongPress !== 'function') {
+      return {} as UseLongPressReturnValue;
+    }
+
+    const start = (event: React.MouseEvent | React.TouchEvent) => {
+      if (!isMouseEvent(event) && !isTouchEvent(event)) {
+        return;
+      }
+
+      if (onStart) {
+        onStart(event);
+      }
+
+      isPressed.current = true;
+      timeout.current = window.setTimeout(() => {
+        onLongPress(event);
+        isLongPressActive.current = true;
+      }, threshold);
+    };
+
+    const cancel = (event: React.MouseEvent | React.TouchEvent) => {
+      if (!isMouseEvent(event) && !isTouchEvent(event)) {
+        return;
+      }
+
+      if (isLongPressActive.current) {
+        onFinish?.(event);
+      } else if (isPressed.current) {
+        onCancel?.(event);
+      }
+
+      isLongPressActive.current = false;
+      isPressed.current = false;
+
+      if (timeout.current) {
+        window.clearTimeout(timeout.current);
+      }
+    };
+
+    return {
+      onMouseDown: start,
+      onMouseUp: cancel,
+      onMouseLeave: cancel,
+      onTouchStart: start,
+      onTouchEnd: cancel,
+      onTouchMove: throttle(cancel, 150),
+    };
+  }, [onLongPress, threshold, onCancel, onFinish, onStart]);
+}
+
+function isTouchEvent(event: React.MouseEvent | React.TouchEvent): event is React.TouchEvent {
+  return window.TouchEvent ? event.nativeEvent instanceof TouchEvent : 'touches' in event.nativeEvent;
+}
+
+function isMouseEvent(event: React.MouseEvent | React.TouchEvent): event is React.MouseEvent {
+  return event.nativeEvent instanceof MouseEvent;
+}
diff --git a/apps/client/src/features/operator/edit-modal/EditModal.module.scss b/apps/client/src/features/operator/edit-modal/EditModal.module.scss
index 74e581ae1..fc2b49f90 100644
--- a/apps/client/src/features/operator/edit-modal/EditModal.module.scss
+++ b/apps/client/src/features/operator/edit-modal/EditModal.module.scss
@@ -30,12 +30,12 @@
   flex-direction: column;
   gap: 0.5rem;
 
-  max-height: min(80vh, 600px);
+  max-height: min(60vh, 600px);
   overflow-y: auto;
 }
 
 .label {
-  background-color: var(--user-bg);
+  background-color: var(--user-bg, $gray-900);
   width: fit-content;
   padding-inline: 1rem;
 }
diff --git a/apps/client/src/features/operator/operator-event/OperatorEvent.tsx b/apps/client/src/features/operator/operator-event/OperatorEvent.tsx
index cd415407e..81de7fa22 100644
--- a/apps/client/src/features/operator/operator-event/OperatorEvent.tsx
+++ b/apps/client/src/features/operator/operator-event/OperatorEvent.tsx
@@ -1,8 +1,8 @@
 import { memo, RefObject, SyntheticEvent } from 'react';
-import { useLongPress } from '@mantine/hooks';
 import { MILLIS_PER_MINUTE, MILLIS_PER_SECOND } from 'ontime-utils';
 
 import DelayIndicator from '../../../common/components/delay-indicator/DelayIndicator';
+import { useLongPress } from '../../../common/hooks/useLongPress';
 import { cx, getAccessibleColour } from '../../../common/utils/styleUtils';
 import { formatDuration, formatTime, useTimeUntilExpectedStart } from '../../../common/utils/time';
 import RunningTime from '../../viewers/common/running-time/RunningTime';
@@ -55,8 +55,10 @@ function OperatorEvent({
    * gather behaviour for long press and context menu
    */
   const handleLongPress = (event?: SyntheticEvent) => {
-    // we dont have an event out of useLongPress
-    event?.preventDefault();
+    // prevent default if the event is cancelable to avoid browser intervention warnings
+    if (event && event.cancelable) {
+      event.preventDefault();
+    }
     if (subscribed) {
       onLongPress({ id, cue, subscriptions: subscribed });
     }