renderer.setSeriesPaint(1, histogramColors[1]);
//renderer.setSeriesPaint(2, histogramColors[2]);
renderer.setSeriesPaint(2, histogramColors[4]);
//renderer.setSeriesPaint(3, histogramColors[3]);
//renderer.setSeriesPaint(4, histogramColors[4]);
renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
proteinChart.getCategoryPlot().setRenderer(0, renderer);
ChartPanel chartPanel = new ChartPanel(proteinChart);
if (proteinNumberValidatedPeptidesJRadioButton.isSelected()) {