code: public void apply(HSSFCell cell, HSSFCellStyle cellStyle, Map<String, String> style) {
      	String bgColor = style.get(BACKGROUND_COLOR);
      	if (StringUtils.isNotBlank(bgColor)) {
      		cellStyle.setFillPattern(CellStyle.SOLID_FOREGROUND);
      		cellStyle.setFillForegroundColor(
      			CssUtils.parseColor(cell.getSheet().getWorkbook(), 
      					bgColor).getIndex());
      	}
      }
docs: {@inheritDoc}