If you want to generate html, say for converting to an email you can use http://...

pixelbeat__ on July 3, 2017 | parent | context | favorite | on: Bashfill – art for your terminal

If you want to generate html, say for converting to an email you can use http://www.pixelbeat.org/scripts/ansi2html.sh

For example:

    your_script | ansi2html.sh --bg=dark > blah.html

    your_script | ansi2html.sh | mail -a "Content-Type: text/html" Your@email.com