diff --git a/apis/nucleus/src/components/listbox/components/ListBoxRowColumn/ListBoxRowColumn.jsx b/apis/nucleus/src/components/listbox/components/ListBoxRowColumn/ListBoxRowColumn.jsx
index a2a6d0a7b..fd14d7e45 100644
--- a/apis/nucleus/src/components/listbox/components/ListBoxRowColumn/ListBoxRowColumn.jsx
+++ b/apis/nucleus/src/components/listbox/components/ListBoxRowColumn/ListBoxRowColumn.jsx
@@ -95,7 +95,7 @@ function RowColumn({ index, rowIndex, columnIndex, style, data }) {
   const handleKeyDownCallback = useCallback(getFieldKeyboardNavigation({ ...actions, focusListItems }), [actions]);
 
   const cell = useMemo(() => getCellFromPages({ pages, cellIndex }), [pages, cellIndex]);
-  const isSelected = cell?.qState === 'S' || cell?.qState === 'XS' || cell?.qState === 'L';
+  const isSelected = cell?.qState === 'S' || cell?.qState === 'XS' || cell?.qState === 'L' || cell?.qState === 'XL';
 
   const classArr = useMemo(
     () => getValueStateClasses({ column, histogram, checkboxes, cell, showGray }),
diff --git a/apis/nucleus/src/components/listbox/components/ListBoxRowColumn/components/ListBoxRoot.jsx b/apis/nucleus/src/components/listbox/components/ListBoxRowColumn/components/ListBoxRoot.jsx
index 3496b4567..12ed07093 100644
--- a/apis/nucleus/src/components/listbox/components/ListBoxRowColumn/components/ListBoxRoot.jsx
+++ b/apis/nucleus/src/components/listbox/components/ListBoxRowColumn/components/ListBoxRoot.jsx
@@ -126,7 +126,7 @@ const RowColRoot = styled('div', {
   [`& .${classes.XS}`]: {
     ...getSelectedStyle({ theme }),
     background: theme.palette.selected.excluded,
-    color: theme.palette.selected.mainContrastText,
+    color: theme.palette.selected.excludedContrastText,
     border: isGridMode ? 'none' : undefined,
   },
 
diff --git a/test/rendering/listbox/__fixtures__/locked_states.js b/test/rendering/listbox/__fixtures__/locked_states.js
new file mode 100644
index 000000000..d2c6c2dd6
--- /dev/null
+++ b/test/rendering/listbox/__fixtures__/locked_states.js
@@ -0,0 +1,79 @@
+const fixture = {
+  getLayout: () => ({
+    title: 'Field title',
+    qInfo: {
+      qId: 'qId',
+    },
+    visualization: 'listbox',
+    qListObject: {
+      qDimensionInfo: {
+        qLocked: true,
+      },
+      qSize: {
+        qcy: 5,
+      },
+      qInitialDataFetch: [{ qLeft: 0, qWidth: 0, qTop: 0, qHeight: 0 }],
+    },
+    qSelectionInfo: {
+      qInSelections: false,
+    },
+    layoutOptions: {
+      layoutOrder: 'row',
+    },
+  }),
+  getListObjectData: () => [
+    {
+      qMatrix: [
+        [
+          {
+            qText: 'Locked',
+            qNum: 'NaN',
+            qElemNumber: 0,
+            qState: 'L',
+          },
+        ],
+        [
+          {
+            qText: 'Alternative',
+            qNum: 'NaN',
+            qElemNumber: 1,
+            qState: 'A',
+          },
+        ],
+        [
+          {
+            qText: 'Optional',
+            qNum: 'NaN',
+            qElemNumber: 2,
+            qState: 'O',
+          },
+        ],
+        [
+          {
+            qText: 'Locked Excluded',
+            qNum: 'NaN',
+            qElemNumber: 3,
+            qState: 'XL',
+          },
+        ],
+        [
+          {
+            qText: 'Excluded',
+            qNum: 'NaN',
+            qElemNumber: 4,
+            qState: 'X',
+          },
+        ],
+      ],
+      qTails: [],
+      qArea: {
+        qLeft: 0,
+        qTop: 0,
+        qWidth: 1,
+        qHeight: 5,
+      },
+    },
+  ],
+};
+
+export default fixture;
diff --git a/test/rendering/listbox/__fixtures__/not_locked_states.js b/test/rendering/listbox/__fixtures__/not_locked_states.js
new file mode 100644
index 000000000..187ca2c70
--- /dev/null
+++ b/test/rendering/listbox/__fixtures__/not_locked_states.js
@@ -0,0 +1,79 @@
+const fixture = {
+  getLayout: () => ({
+    title: 'Field title',
+    qInfo: {
+      qId: 'qId',
+    },
+    visualization: 'listbox',
+    qListObject: {
+      qDimensionInfo: {
+        qLocked: false,
+      },
+      qSize: {
+        qcy: 5,
+      },
+      qInitialDataFetch: [{ qLeft: 0, qWidth: 0, qTop: 0, qHeight: 0 }],
+    },
+    qSelectionInfo: {
+      qInSelections: false,
+    },
+    layoutOptions: {
+      layoutOrder: 'row',
+    },
+  }),
+  getListObjectData: () => [
+    {
+      qMatrix: [
+        [
+          {
+            qText: 'Selected',
+            qNum: 'NaN',
+            qElemNumber: 0,
+            qState: 'S',
+          },
+        ],
+        [
+          {
+            qText: 'Alternative',
+            qNum: 'NaN',
+            qElemNumber: 1,
+            qState: 'A',
+          },
+        ],
+        [
+          {
+            qText: 'Optional',
+            qNum: 'NaN',
+            qElemNumber: 2,
+            qState: 'O',
+          },
+        ],
+        [
+          {
+            qText: 'Selected Excluded',
+            qNum: 'NaN',
+            qElemNumber: 3,
+            qState: 'XS',
+          },
+        ],
+        [
+          {
+            qText: 'Excluded',
+            qNum: 'NaN',
+            qElemNumber: 4,
+            qState: 'X',
+          },
+        ],
+      ],
+      qTails: [],
+      qArea: {
+        qLeft: 0,
+        qTop: 0,
+        qWidth: 1,
+        qHeight: 5,
+      },
+    },
+  ],
+};
+
+export default fixture;
diff --git a/test/rendering/listbox/listbox.spec.js-snapshots/locked-states-js-linux.png b/test/rendering/listbox/listbox.spec.js-snapshots/locked-states-js-linux.png
new file mode 100644
index 000000000..176f60321
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diff --git a/test/rendering/listbox/listbox.spec.js-snapshots/not-locked-states-js-linux.png b/test/rendering/listbox/listbox.spec.js-snapshots/not-locked-states-js-linux.png
new file mode 100644
index 000000000..b657d233b
Binary files /dev/null and b/test/rendering/listbox/listbox.spec.js-snapshots/not-locked-states-js-linux.png differ