NSString *html = @"<div style='font: 18pt Helvetica-Light; color: #3498DB;'>Blue Text<span style='color: #AAAAAA;'>GreyText</span></div>"];
NSData *htmlData = [html dataUsingEncoding:NSUTF8StringEncoding];
NSMutableAttributedString *htmlAttributedString = [[NSMutableAttributedString alloc] initWithData:htmlData options:@{NSDocumentTypeDocumentAttribute:NSHTMLTextDocumentType} documentAttributes:nil error:nil];
[label setAttributedText:htmlAttributedString];