formatColorRgb property
The color assigned to the threshold of a color scale conditional format in Rgb.
// Create a new Excel Document.
final Workbook workbook = Workbook();
// Accessing sheet via index.
final Worksheet sheet = workbook.worksheets[0];
sheet.getRangeByName('A1').number = 12;
sheet.getRangeByName('A2').number = 29;
sheet.getRangeByName('A3').number = 41;
sheet.getRangeByName('A4').number = 84;
sheet.getRangeByName('A5').number = 90;
sheet.getRangeByName('A6').number = 112;
sheet.getRangeByName('A7').number = 131;
sheet.getRangeByName('A8').number = 20;
//Create color scale for the data in specified range.
final ConditionalFormats conditionalFormats =
sheet.getRangeByName('A1:A8').conditionalFormats;
final ConditionalFormat conditionalFormat =
conditionalFormats.addCondition();
// set colorscale CF.
conditionalFormat.formatType = ExcelCFType.colorScale;
final ColorScale colorScale = conditionalFormat.colorScale;
//Sets 3 - color scale and its constraints
colorScale.setConditionCount(3);
// set Color for FormatColorRgb Property.
colorScale.criteria[0].formatColorRgb = Color.fromARGB(255, 134, 10, 200);
colorScale.criteria[0].type = ConditionValueType.lowestValue;
// set Color for FormatColorRgb Property.
colorScale.criteria[1].formatColorRgb = Color.fromARGB(250, 13, 200, 20);
colorScale.criteria[1].type = ConditionValueType.number;
colorScale.criteria[1].value = "70";
// set Color for FormatColorRgb Property.
colorScale.criteria[2].formatColorRgb = Color.fromARGB(255, 184, 110, 20);
colorScale.criteria[2].type = ConditionValueType.highestValue;
final List<int> bytes = workbook.saveAsStream();
File('ColorScale.xlsx').writeAsBytes(bytes);
workbook.dispose();
Implementation
late Color formatColorRgb;