RGB(FFFFFF)转255:255:255

NSString *color = model.display_color;

            long colorLong = strtoul([color cStringUsingEncoding:NSUTF8StringEncoding], 0, 16);

            // 通过位与方法获取三色值

            int R = (colorLong & 0xFF0000 )>>16;

            int G = (colorLong & 0x00FF00 )>>8;

            int B = colorLong & 0x0000FF;

            UIColor *wordColor = [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:1.0];