diff --git a/tools/cabana/chartswidget.cc b/tools/cabana/chartswidget.cc
index 47fc5dc03b..b49b20f2cc 100644
--- a/tools/cabana/chartswidget.cc
+++ b/tools/cabana/chartswidget.cc
@@ -652,10 +652,10 @@ void ChartView::mouseMoveEvent(QMouseEvent *ev) {
         auto value_pos = chart()->mapToPosition(*it);
         if (value_pos.x() > track_pt.x()) track_pt = value_pos;
       }
-      text_list.push_back(QString(" %1 : %2 ").arg(sigs.size() > 1 ? s.sig->name.c_str() : "Value").arg(value));
+      text_list.push_back(QString("<span style=\"color:%1;\">■ </span>%2: %3").arg(s.series->color().name(), s.sig->name.c_str(), value));
     }
     if (track_pt.x() == 0) track_pt = ev->pos();
-    QString text = QString("<div style=\"background-color: darkGray;color: white;\">&nbsp;Time: %1 &nbsp;<br />%2</div>")
+    QString text = QString("%1 <br/> %2")
                        .arg(chart()->mapToValue(track_pt).x(), 0, 'f', 3)
                        .arg(text_list.join("<br />"));
     QPoint pt((int)track_pt.x() + 20, plot_area.top() - 20);