convert rgb to color image?

This should be close....

#target photoshop
var inputFile = File.openDialog("Please select CSV file.","CSV File:*.csv"); 
var outputFolder = Folder.selectDialog( "Please select output folder");
inputFile.open('r');
inputFile.readln();
var datFile=[];
while(!inputFile.eof){
var line = inputFile.readln();
if(line.length > 5) datFile.push(line);
}
inputFile.close();
var FillColour = new SolidColor;
for(var a in datFile){
var line = datFile.split(',');
var ColourName = line[0].toString().replace(/^ +| +$/g,'');
FillColour.rgb.red = line[1].toString().replace(/^ +| +$/g,'');
FillColour.rgb.green = line[2].toString().replace(/^ +| +$/g,'');
FillColour.rgb.blue = line[3].toString().replace(/^ +| +$/g,'');
app.backgroundColor = FillColour;
app.documents.add(new UnitValue( 500, 'px' ), new UnitValue( 500, 'px' ), 72, ColourName, NewDocumentMode.RGB, DocumentFill.BACKGROUNDCOLOR);
var saveFile = File(outputFolder +"/"+ColourName+".jpg");
SaveForWeb(saveFile,50);
app.activeDocument.close(SaveOptions.DONOTSAVECHANGES);
}
function SaveForWeb(saveFile,jpegQuality) {
var sfwOptions = new ExportOptionsSaveForWeb(); 
   sfwOptions.format = SaveDocumentType.JPEG; 
   sfwOptions.includeProfile = false; 
   sfwOptions.interlaced = 0; 
   sfwOptions.optimized = true; 
   sfwOptions.quality = jpegQuality;
activeDocument.exportDocument(saveFile, ExportType.SAVEFORWEB, sfwOptions);
}