return argb.length > 3 ?
"#"+ toHex(argb[1])+ toHex(argb[2])+ toHex(argb[3])://ignore alpha
"#"+ toHex(argb[0])+ toHex(argb[1])+ toHex(argb[2]);
}
if (ctcolor.isSetTheme()) {
ThemesTable theme = book.getTheme();
if (theme != null) {
XSSFColor themecolor = theme.getThemeColor(color.getTheme());
if (themecolor != null) {
if (ctcolor.isSetTint()) {
themecolor.setTint(ctcolor.getTint());
}
return XSSFColorToHTML(book, themecolor); //recursive