// Create a new workbook Workbook workbook = new Workbook(); IWorksheet worksheet = workbook.getWorksheets().get(0); // set interior color for area1 A5:B7. IRange area1 = worksheet.getRange("A5:B7, C3, H5:N6").getAreas().getArea(0); area1.getInterior().setColor(Color.GetPink()); // set interior color for area2 C3. IRange area2 = worksheet.getRange("A5:B7, C3, H5:N6").getAreas().getArea(1); area2.getInterior().setColor(Color.GetLightGreen()); // set interior color for area3 H5:N6. IRange area3 = worksheet.getRange("A5:B7, C3, H5:N6").getAreas().getArea(2); area3.getInterior().setColor(Color.GetLightBlue()); // Save to an excel file workbook.save("AccessEachAreaOfRange.xlsx");