diff --git a/src/main/webapp/index.jsp b/src/main/webapp/index.jsp
index 9f25a6a..2fc638e 100644
--- a/src/main/webapp/index.jsp
+++ b/src/main/webapp/index.jsp
@@ -6,7 +6,7 @@
 
 <!--Cards-->
 <!--Analyse-Cards-->
-<div id="analysis" class="row container">
+<div id="analysis" class="row container black-text">
     <!--Übersicht-->
     <div class="col s12 m12">
         <div id="overview" class="card white">
@@ -16,7 +16,7 @@
 
             <div class="card-content">
                 <div>
-                    <canvas id="overview_chart" width="1000" height="400"></canvas>
+                    <canvas class="black-text" id="overview_chart" width="1000" height="400"></canvas>
                 </div>
             </div>
         </div>
diff --git a/src/main/webapp/js/cache.js b/src/main/webapp/js/cache.js
index e712e2b..705181b 100644
--- a/src/main/webapp/js/cache.js
+++ b/src/main/webapp/js/cache.js
@@ -1,3 +1,5 @@
+Chart.defaults.global.defaultFontColor = "black";
+
 $(document).ready(function () {
     let dataset = $('#dataset');
     request('files').then(results => {
@@ -33,7 +35,6 @@ function updateCache() {
     }
 }
 
-
 function updateAll(uuid) {
     updateWeekOverviewChart(uuid);
     updateShoppingTimesChart(uuid);
diff --git a/src/main/webapp/js/week_overview.js b/src/main/webapp/js/week_overview.js
index ee3d77c..522a3b1 100644
--- a/src/main/webapp/js/week_overview.js
+++ b/src/main/webapp/js/week_overview.js
@@ -5,13 +5,15 @@ let week_overview = new Chart($("#overview_chart"), {
     data: {
         labels: [0, 0, 0, 0, 0],
         datasets: [{
-            label: "Warenanzahl",
+            label: "Kundenanzahl",
+            yAxisID: 'y-axis-1',
             data: [0, 0, 0, 0, 0],
             fill: true,
             backgroundColor: 'rgba(104, 216, 154, 0.5)',
             lineTension: 0
         }, {
             label: "Einnahmen in €",
+            yAxisID: 'y-axis-2',
             data: [0, 0, 0, 0, 0],
             fill: true,
             backgroundColor: 'rgba(113, 114, 231, 1)',
@@ -47,9 +49,25 @@ let week_overview = new Chart($("#overview_chart"), {
                     display: false
                 }
             }],
-            yAxes: [{
-                display: true
-            }]
+            yAxes: [
+                {
+                    display: true,
+                    position: 'right',
+                    id: 'y-axis-1',
+                    scaleLabel: {
+                        display: true,
+                        labelString: 'Kundenanzahl'
+                    }
+                },
+                {
+                    display: true,
+                    id: 'y-axis-2',
+                    scaleLabel: {
+                        display: true,
+                        labelString: 'Einnahmen in €'
+                    }
+                }
+            ]
         }
     }
 });