Web monitoring with regex

[claudiobrum]

Hi!
Im trying to monitor a website html code with regex.
I need to get the background color of page to know if my service is up or down

I tried this expression and code on regex101:

Expression: 153*.{16}.22078

Code: <td style="text-align: center; background-color: rgb(153, 255, 153);">170.00.00.1:22078</td>

and it works, but in "required pattern" of step, dont.

Can anyone help?