diff --git a/src/Insight/UserInterfaces/InsightWindow/Stylesheets/InsightWindow.qss b/src/Insight/UserInterfaces/InsightWindow/Stylesheets/InsightWindow.qss
index 6151614b..8754465e 100644
--- a/src/Insight/UserInterfaces/InsightWindow/Stylesheets/InsightWindow.qss
+++ b/src/Insight/UserInterfaces/InsightWindow/Stylesheets/InsightWindow.qss
@@ -379,6 +379,16 @@ QScrollBar::sub-line:vertical {
     padding: 0;
 }
 
+#hex-viewer-container #tool-bar QToolButton:checked {
+    background-color: #484842;
+    border: none;
+}
+
+#hex-viewer-container #tool-bar QToolButton:checked:disabled {
+    background-color: #3d3d39;
+    border: none;
+}
+
 #hex-viewer-container #tool-bar #separator {
     background-color: transparent;
     border-right: 1px solid #41423f;
diff --git a/src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/HexViewerWidget/UiFiles/HexViewerWidget.ui b/src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/HexViewerWidget/UiFiles/HexViewerWidget.ui
index f8b46cce..8d39bb08 100644
--- a/src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/HexViewerWidget/UiFiles/HexViewerWidget.ui
+++ b/src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/HexViewerWidget/UiFiles/HexViewerWidget.ui
@@ -59,6 +59,9 @@
                         </item>
                         <item>
                             <widget class="SvgToolButton" name="highlight-stack-memory-btn">
+                                <property name="checkable">
+                                    <bool>true</bool>
+                                </property>
                                 <property name="svgFilePath">
                                     <string>:/compiled/src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/Images/highlight-stack-memory.svg</string>
                                 </property>
@@ -72,6 +75,9 @@
                         </item>
                         <item>
                             <widget class="SvgToolButton" name="highlight-focused-memory-btn">
+                                <property name="checkable">
+                                    <bool>true</bool>
+                                </property>
                                 <property name="svgFilePath">
                                     <string>:/compiled/src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/Images/highlight-focused-memory.svg</string>
                                 </property>