In version 5.5 the color series used for html charts could be changed by modifiying jasperserver-pro/scripts/adhoc/highchart.datamapper.js .
Version 5.6 uses optimized scripts now, but even with a modified jasperserver-pro/optimized-scripts/adhoc/chart/highchart.datamapper.js this has not the desired effect of setting alternate colors for my charts.
Where/how should I set my preferred color series for the adhoc charts?
I struggled with this as well but finally found where to change the settings when we updated from 5.5 to 6.0.1 saw the color scheme changed but the files mentioned - highchart.datamapper.js had not
Go to jasperserver-pro/optimized-scripts/bower-components/bi-report/src/adhoc/chart/palette - the old color palette is oldColorPalette.js and can be renamed to defaultPalette.js to update