There are some pipelines that have no color.
I don't know what could be causing it.
The only commonality between the ones that have color and the ones that don't are this:

The ones that do NOT have color were started by an upstream change in its maven dependencies. The text will look like this:
****Example: #336 by anonymous, started 13 hours ago

The ones that work property were started by regular SCM changes, or by people manually kicking it off. The text will look like this (notice "USERNAME" in the text):
****Example: #161 by Alex Gray, anonymous, started 11 hours ago