The issue is the reset part of the sequence. For some reason, the Grafana parser doesn't seem to like 0; or 1; in the sequence's reset (closing) part.

For example:

• [0;32mINFO[0;32m will NOT work.
• [0;32mINFO[32m will work.

You can see how some are working and some are not here:

The difference is simply the reset (closing) part of the sequence.