To change the colors on your chart, double click on your chart to open the chart pop-up window. Go to Settings tab located at the top right corner of the window.
There will be an area for you to pick a color for your chart.
You can select to use a single color for your chart.
Or you can set individual colors for the different data types to work as identifiers.
Pick out the perfect color from the range displayed or enter a hex-code for the exact color you need.